Thursday, October 31, 2019

Susan Meiselas Essay Example | Topics and Well Written Essays - 2000 words

Susan Meiselas - Essay Example The Maryland Art Source web page dedicated to Meiselas tells how she was given grants in order to begin film and photography programs in the school houses of the rural south. Later she was able to combine her teaching ideas with oral history and photography and she continued to work with teachers in New York city at the Center for Understanding Media. In 1976 she joined the Magnum Photos co-operative. The members portray and interpret world events , issues and people.Since that time Meiselas worked as a freelance photographer. She is best known for her pictures of human cruelty and coverage of human rights issues in Latin America, travelling in 1977 to Nicaragua to photograph the civil war then being conducted, with huge loss of life, between the forces of the dictator General Anastasio Somoza Garcà ­as and his Sandinista opposition. In 1981, she photographed a village in San Salvador which had been destroyed by the armed forces and also took photographs of the El Mozote massacre which took place in the same year when Salvadorean soldiers , who had been trained by the military of the United States, killed some 1000 civilians in the name of an anti-guerilla campaign. Her work is known world wide Meiselas has had many one-woman exhibitions in Paris, Madrid, Amsterdam, London, Los Angeles, Chicago and New York. Her photographs are included in more permanent exhibitions both in America and elsewhere. She has been honored with many awards in recognition of both her work and her courage including the Robert Capa Gold Medal for outstanding courage and reporting in 1979 given by the Overseas Press Club for her work in Nicaragua. This was followed by the Leica Award for Excellence in 1982, the Engelhard Award from the Institute of Contemporary Art in 1985. In 1992 she was named as a MacArthur Fellow. The Maria Moors Cabot Prize was given by Columbia University for her coverage of Latin America and she also

Tuesday, October 29, 2019

HRM of Sonoco Essay Example | Topics and Well Written Essays - 2500 words

HRM of Sonoco - Essay Example The strategic value of the Human Resource Management Structure in the development and implementation of the organization’s goal cannot be gainsaid. Thus its involvement in any planning and roll out of strategies and initiatives is not only a must but mandatory (Little, 2011). Sonoco is a 100 year old organization that have survived wars and repeated economic crises. It is also a paternal organization that values relationship rather than performance. Sonoco will be examined in this thesis to assess how the value of human resource management will be applied. Background The growing role of Human Resource Management in organizations (Losey, Meisinger, & Ulrich, 2005) that enable it to play an important role in strategic initiatives cannot be made more apparent that in the case of Sonoco. For the better part of the last one hundred years Sonoco packaging company have successfully achieved uninterrupted growth coupled with impressive financial success. However, the past several glob al crises have also affected the primary customers of Sonoco that contributed to a drastic reduction in its fiscal performance. Despite these adverse economic situations Sonoco managed to grow through the acquisition of several other companies. In trying to survive several crisis that would include reduced local demands Sonoco also had to contend with the increasing visibility of off-shore competitors that severely undercuts its prices. To resolve these challenges Sonoco tried and failed to get the right talents that would give it a fresh perspective. Instead Sonoco experienced productivity issues. The unreliable market experienced during the case would have been as a result of poor production which is also a consequence of lack of... According to the research findings the growing role of Human Resource Management in organizations that enable it to play an important role in strategic initiatives cannot be made more apparent that in the case of Sonoco. For the better part of the last one hundred years Sonoco packaging company have successfully achieved uninterrupted growth coupled with impressive financial success. However, the past several global crises have also affected the primary customers of Sonoco that contributed to a drastic reduction in its fiscal performance. Despite these adverse economic situations Sonoco managed to grow through the acquisition of several other companies. In trying to survive several crisis that would include reduced local demands Sonoco also had to contend with the increasing visibility of off-shore competitors that severely undercuts its prices. To resolve these challenges Sonoco tried and failed to get the right talents that would give it a fresh perspective. Instead Sonoco experien ced productivity issues. The unreliable market experienced during the case would have been as a result of poor production which is also a consequence of lack of proper management by the group managers and corresponding supervisors within the packaging department. Some of the consequences of poor management experienced in the case study include but not limited to reduction in sales which negatively impacted the company creating a perception that the company is losing consumer interest in the global market.

Sunday, October 27, 2019

Group work in Primary Schools

Group work in Primary Schools Group work, known to others as collaborative or cooperative learning, is defined as a situation in which, two or more people learn or attempt to learn something together [Wikipedia Contributors, 2010]. This paper focuses on how working collaboratively impacts both teaching and learning in primary schools. It describes the background to the development of collaborative learning and highlights the techniques often employed. The principles to effective group work are explained, with both advantages and disadvantages noted. Collaborative learning is a pedagogical strategy which utilizes a variety of learning activities to enhance a students understanding of a particular topic. This is an improvement to traditional learning models also defined as non-interactive lectures, where knowledge is gained from direct lectures or the reading of books and articles. Traditional learning commands very little interaction or participation from the students, therefore a lot or very little may be learnt depending on the individual. Collaborative learning consequently stands as a constructivist approach to learning, and is identified as originating from a constructivist epistemology, as students are asked to participate and contribute to their own learning and development. The ideas of scholars such as Burner, Kohlberg, Piaget and Vygotsky are used in the development of collaborative learning, which essentially implies that both the student and the environment are actively dynamic entities in the learning process as the student tries to impersonate the lessons. This process requires that knowledge be discovered and translated using language and other learning aides to which the students can actively relate. Lawrence Kohlberg researched the moral decisions made by children. His investigation is such that he developed an interview process offering a number of scenarios, each with a moral dilemma for which he had pre-determined answers. He realized that six stages of moral development existed and that some people are unable to reach most advanced levels of ethical interpretation. He thereby concluded that; the development of moral reasoning happens in a particular sequence, and that each step of the way is a precursor to the next [KidsDevelopment.co.uk, 2010]. Jean Piagets theory of Cognitive Development suggests that individuals go through a series of stages on their way to independent thinking. Piaget states that all knowledge concerning reality results from actions or operations upon it, which makes it change, revealing its stable and variational properties (Piaget, 1980 p222). Lev Vygotsky believed that socialization increases knowledge and often time changes a childs thoughts and behaviours. Vygotsky suggests that learning is achieved in three ways; imitative, instructed and collaborative. Imitative learning involves the student simply copying what was taught and instructed learning involves the student following directions previously given. Vygotskys work was focussed on two important ideas. First being the Zone of Proximal Development (ZPD); this describes the level of differentiation between a problem that a student can solve independently and a problem in which a student will require the assistance of others. ZPD is often identified as an individuals level of actual competency relative to their level for potential development. The second idea is known as scaffolding and describes the aspect of support given to students when it is desired. Group work allows students to work together in small teams, combining people with varying backgrounds, experiences, technical and intellectual competencies, towards the attainment of a specific objective. Each member of the team has the responsibility of learning the material for himself, while also helping other members to clearly understand the lesson thus creating an atmosphere of achievement (Palmer, Peters and Streetman. 2008). Students thereby gain both knowledge and social skills. The use of group discussions helps students to explain concepts and ideas by providing immediate feedbacks. Students learn how to troubleshoot cooperatively in order to find the best solution to a problem. When students formulate their own solutions in this manner, they are truly thinking critically (Davis, Mahler Noddings, 1990). Swortzel expresses that there are two major theoretical approaches to group work Motivational and Cognitive (Swortzel, 1997). Group work is seen as motivational because students recognize that their success or failure in the attainment of the specified goal is dependent on them being able to work together as a team. They thereby encourage each other to get the assigned tasks done properly and on time, in so doing cooperative learning increases students motivation to do academic work (Johnson, Johnson Holubec, 1986). The cognitive approach suggests that through group work students become more critical with their thinking. Students are stimulated to think outside the box, thus acquiring increased levels of perception, awareness, and reasoning and judgment abilities. Group discussions are very interactive with each individual expressing their viewpoint. Within a diverse group, there will be undoubtedly varying opinions consequently highlighting approaches to the same topic. A collaborative framework must first be established before the implementation of collaborative learning techniques. The teacher should research collaborative learning and observer other teachers who have already implement the use of group work. The teacher should grasp a good understanding of the advantages and disadvantages to group work and must develop a keen appreciation for the technique of scaffolding. The teacher then needs to decide if collaborative learning is ideal for the subject being taught, the type of students and take into account classroom restrictions, if any. Teachers implementing collaborative learning are expected to be competent in the following areas: Specifying instructional objectives Determining group size and assign students to groups Determining Group Size and Assign Students to Groups Classroom arrangement Planning instructional materials to promote Interdependence Assigning group roles Assigning tasks Structuring positive interdependence and accountability Explaining the criteria for success Specifying desired behaviours Before implementing collaborative learning the teacher should explain to the students their decision for the use of group work and explain the advantages and disadvantages. The determination of group sizes may vary depending on the nature of the task and the workload. Groups can be homogeneous or heterogeneous, grouping students with similar interests and strengths or they may be totally randomly selected. Once groups are established they usually do not change very often, so as to allow students to develop a constructive working relationship with each other. It is important that the furniture in the classroom be organized in a way which allows the students to work as a unit, preferably facing each other, whilst allowing for their flexible movements. Teachers should take into account the existing resources needed for successful task completion and ensure that they are readily accessible by the groups. The instructions and materials a teacher chooses for a group should ensure that each member of the group makes a meaningful contribution and that individual assignments within the group will be evenly distributed. Teachers should structure positive interdependence and accountability by regularly testing both the groups and the members of the group for understanding of the subject matter. Members should be encouraged to be able to actively defend the stance of the group and their own. The criteria for success of the group should be clearly communicated and measures put into place to evaluate the groups performance as a unit as well as the individual performances of the members. Once the groups have been established, teachers need to monitor the behaviour of the students and assist with needs while monitoring. In so doing, teachers may assist with the answering of questions and provide and alternate point of view or opinion. Teachers may also provide feedback on the work completed or the progress made. Should conflicts arise within the groups, teachers should intervene to ensure that such conflicts are quickly resolved and explain the implications of undesirable behaviours. It is also very important that teachers provide approbation and, or motivation where it is deserved. Students play the most important role in the art of collaborative learning. Their roles include and are not limited to, working together, actively listening to each other, keeping records of work and progress, questioning each other, assuming personal responsibility and completing the assigned task. An article written by Dillenbourg and Schneider states that there are a few mechanisms to collaborative learning: Conflict or Disagreement, suggesting that when peer to peer conflicts arise, social factors cause learners to ignore the disagreement and to some extent forces them to find a feasible solution to the problem. One aspect of this theory states that diverging viewpoints usually lead to academic gains, while the other states that when conflicts are not verbalized they do not predict positive outcomes (Dillenbourg and Schneider, 1995). This article draws two conclusions relative to this mechanism one being that slight misunderstandings can be as efficient as a clear conflict between two agents who respectively believe P and not P and the second being that verbal interactions generated to solve conflict are related to learning outcomes (Dillenbourg and Schneider, 1995). Alternative Proposal also referred to as the confirmation biases by Dillenbourg and Schneider (1995). In so doing students actively develop ideas that support their suggestions and completely disregard ideas that do not. They often times cannot abandon their idea or suggestion because another suggestion may not be forthcoming; however other group members make alternate suggestions. (Self-) explanation; the Self-Explanation effect, as it is in known in many cognitive science literature, describes that in a situation where one student is more knowledge that the other, the latter will automatically learn from the form, and also that the former will grasp a better understanding of the topic being explained as he endeavours to translate into to terms to with the latter student can actively relate. Having successfully explained the more knowledgeable student would have improved upon his skills to interrelate and gained improved confidence. Had there been any uncertainties in the explanation, someone even more knowledgeable might be able to clarify. Internalization; the article explains this mechanism as one in which students explain or justify their suggestions to each other, the verbalization of such impacts all involved and that the concepts communicated are integrated into the listeners reasoning. Thinking is viewed a discussion that one has with oneself and which develops on the basis of discussions we had with others (Dillenbourg and Schneider, 1995). The article also states that for this mechanism to be effective a few conditions must be met, One condition is that subjects can only assimilate concepts which are within their zone of proximal development, i.e. within the neighbourhood of the current cognitive level. Another condition is that the less able peer is not left as a passive listener, but participates into the joint problem solving strategy (Dillenbourg and Schneider, 1995) Appropriation, this is explained as one student observing the ideas or explanations of another and taking those ideas or explanations and building on it to make their own. Learning is two-fold as the first student reinterprets his actions relative to that of the second, and the second student got a sound foundation on which to build. Shared Cognitive Load, this involves the distribution of tasks which will come together to achieve the overall objective of the group. When the workload is even shared between students, each student can work meticulously on the assigned task, thereby eliminating redundancies and improving the efficiency of the group. Mutual Regulation, by employing any of or a combination of the mechanisms previously described, students often have to regulate the actions of each other to ensure that the stipulated guidelines are adhered to for the attainment of their goals. Social Grounding, described lucidly by Dillenbourg and Schneider as the mechanism by which an individual attempts to maintain the belief that his partner has understood what he meant, at least to an extent which is sufficient to carry out the task at hand (Dillenbourg and Schneider, 1995). This mechanism requires the speaker to check for understanding, and where misunderstand is visible to clarify, thereby building a share understanding of the problem. George W. Gagnon. Jr., and Michelle Collay developed another design for collaborative learning and in this model teachers develop a series of steps that their teaching structure follows as listed below: They develop a situation for the students to explain (Gagnon and Collay, 2004) They select a process for groupings of materials and students (Gagnon and Collay, 2004) They build a bridge between what students already know and what the teachers want them to learn (Gagnon and Collay,2004) They anticipate questions to ask and answer without giving away an explanation (Gagnon and Collay, 2004) They encourage students to exhibit a record of their thinking by sharing it with others (Gagnon and Collay, 2004), and They solicit students reflections about their learning (Gagnon and Collay, 2004). A comparison of there collaborative techniques, is illustrated in Appendix 1. Johnson, Johnson, and Smith (1991) highlights three key tasks teachers should follow for the evaluation of the efficiency and effectiveness after there group work is completed. Firstly, teachers should provide a closure through summarization. That is, to summarize the lessons important points or to have each group explain their work and the points they found of most significance. Secondly is to evaluate the students learning, by assessing how they have attained or failed to attain the desired outcome and providing the feedback required, allowing students to improve on their ability to work as a group and hence personal development. Thirdly, teachers should make note of the techniques that worked and why they worked and if necessary adjust their lessons. A popular definition of constructivism is that Constructivism is a theory of knowledge which claims that knowledge is not passively received but actively constructed by the learner, and that the function of cognition is adaptive, serving to organise experience, rather than discover reality(online, 2010) Group work has academic, social and physiological benefits to both students and teachers. Academic benefits include: the development of critical thinking and the active involvement of students in the learning process. The social benefits include: the development of social learning systems for students and builds diversity understanding among students and teachers. The physiological benefits include: increased self-esteem through peer-to-peer instructions and it reduces the anxiety of students. Although collaborative learning seems to be dependent on the actions and willingness to learn, which should for many be a natural process, there are many disadvantages as there are advantages to is implementation. A few of the obstacles faced are; some students prefer to work competitively rather that collaboratively, teachers lack the ability to readily assess the work produced, teachers sometimes do not know how to measure the effectiveness of their teachings in a collaborative setting, sometimes the assigned tasks are not applicable to a students goals or abilities, and sometimes the tasks are not difficult enough to challenge but not so difficult as to stonewall a conversation. Some groups may be comprised of slow learners who may be viewed as others as invaluable, thereby promoting superior behaviour by the fast learners. Table 1, Appendix 2, illustrated various group structures and the advantages and disadvantages to these groups. Nigel Hastings and Karen Chantrey-Wood from Nottingham Trent University explores the many strategies teachers utilize in group work activities, many of which are strongly endorsed by a committee known as the Plowden Committee. By spending time with groups of children, teachers could adjust their teaching to the needs of the individuals of that group to a greater extent than when working with an entire class of students as a whole. This also ensures that all children have a reasonable amount of direct contact with their teacher regardless of the fact that they are working in groups [Hastings Wood, 2002]. This suggests that collaborative learning enhances the occurrence of individualized attention given to students, by introducing one-on-one interactions between students and peers and students and teachers. The article also illustrates that classroom arrangement is very important in ensuring that collaborative learning is efficient and effective. It shows that collaborative learning in widely accepted and very commonly practiced across the globe; In primary classrooms throughout the UK, it is standard practice for children to sit around grouped tables usually with four to six children in each group. Such arrangements are also common in primary schools in other English-speaking countries, Australia and USA for example. Precisely because this configuration is so normal and so well established in our schools, it is unusual to ask about its rationale or to question its appropriateness [Hastings Wood, 2002]. An abstract written from an experiment conducted by Gillies and Ashman, One hundred and ninety-two Grade 6 children participated in a study which compared the effects on behavioural interactions and achievement of (a) cooperative learning in which group members were trained to collaborate to facilitate each others learning, and (b) cooperative learning in which members were not trained but were merely told to help each other. Stratified random assignment of participants occurred so that each gender-balanced group consisted of one high-, two medium-, and one low-ability studentà ¢Ã¢â€š ¬Ã‚ ¦(Gillies Ashman, 1999). The observations showed that the students who worked in the Trained groups where more responsive and helpful to each other, giving explanations where necessary to assist as they worked together. It showed that students in the untrained groups were a lot less helpful towards or cooperative with each other. From the results it was also concluded that the children in the trai ned groups exercised more autonomy with their learning and obtained higher learning outcomes than untrained peers (Gillies Ashman, 1999). This study is one of the many to attest to the success of group work. Despite some drawbacks Collaborative learning has numerous benefits, as is explained, ranging from academic to physiological and it implementation in primary schools is quite a positive move. Students at the primary school level are quite impressionable and there is no better time for them to develop the very valuable competences that working in a group has to offer. At the primary school level they are mature enough to have an understanding of what group work requires. Many of the studies conducted were centralized around childhood developments. Students who can successfully work in groups from the primary school level are usually better equipped for when entering higher level learning institutions. They would have learnt to comfortably relate with peers and adults, such as teachers or other authority figures, they would have learnt the value of self-expression and self-explanation, actively listen and respect the views of others. These students realize that as individuals we have d ifferent backgrounds, experiences and traditions and as such may have diverging approaches to the same problem. These students will also be better able to differentiate between the need to work collaborative and the need to work competitively and in so doing will know when best to apply the respective approaches. This research has revealed that both the teachers and the students play a pivotal role in the success of collaborative learning. Teachers are not expected to only assign tasks and sit back while the students work on their own. Teachers must play an active role throughout the process. They must plan for the assignment with clearly structured tasks that will promote collaborative interactions, promote interdependency and stimulate cognitive thinking among students. Teacher must monitor the process providing ongoing feedback and be readily able to resolve conflicts should they arise. Teachers should be able to actively scaffold their students, knowing when their support is needed and that it should gradually be withdraw. Students in order to successfully achieve their objectives in groups must appreciate the benefits of group work. They must have a clear understanding of the desired objective and the sub-task requirement to successfully achieve the objective. They must be able to actively and reflectively listen to each other and utilize creativity and objectivity to work positively together. In so doing they will learn to foster positive work attitudes with others, thereby improving on their interpersonal skills as they prepare for the work world. Appendix 1 Three Constructivist Design Models [1] 1. The Learning Cycle 2. The Learning Step developed by George W. Gagnon. Jr. and Michelle Collay 3. The Information Construction (ICON) model created by Robert O. McClintock and John B. Black, and is very similar to Dillenbourg and Schneider. Appendix 2 Table 1: Forms of Cooperative Groups[2] NAME OF GROUP WHAT IS THIS? WORKS BEST FOR BENEFITS DRAWBACKS Pair-share 2 students with one problem share their ideas or questions. Each person speaks, listens, gives feedback. Content that requires discussion, reflection, or explanation. Increased engagement time, Helps those who are shy Fewer perspectives and solutions Jigsaw Each member of the small group researches one part of the question /content for a certain amount of time. The members of the group come back together. Each member teaches his/her part to the rest of the group. Content with four or five parts to research. Students gain teaching and research skills Some students feel pressured by a time limit Split-class discussion The class is split into half. Each side discusses /debates their knowledge /beliefs, etc. Debates or discussions Students may change their opinion or develop a different perspective Some students may speak less with such a large group. Random groups of 3 Class is split into groups of 3. The groups discuss the topic. Predicting what will happen, responding to a situation. Receive a variety of feedback, group members are accountable Easy to leave out or team up against a shy student or one who has a different opinion Ability/Interest/Friendship Group Students are divided into groups based on some quality that they all have in common. Creating plays/skits or an activity in which students must work together outside of class. Students can work at a pace that best suits them, students are rarely bored and often motivated It is unrealistic to find a completely homogeneous group, weaker or unpopular students may be excluded. Diversity Groups Students are formed into groups where they come from a wide variety of backgrounds, interests, etc. Exploring geography, history, and diverse lifestyles. There are many opportunities to gain different perspectives Minorities may become alienated Multi-aged groups Students are divided into groups in which there are a mixture of ages Older students teaching younger students (i.e. science experiments). Older students- there is less pressure to compete with peers, Younger students fell important that an older person is spending time with them Older students may be a bad influence; Older students may not know how to work with a younger child or an at risk student Peer-led Conferences Students prepare and lead a discussion of material with parents, instructors, students, etc. A major project in which students set up stations for several intelligences. Students get the opportunity to authentically teach, students learn self confidence. Students whose parents are inactive in the school may be alienated from those whose parents participate; some students may not be involved in interactions. Notes: These diagrams were obtained from: http://www.thirteen.org/edonline/concept2class/constructivism/implementation_sub1.html This table was obtained from: http://projects.coe.uga.edu/epltt/index.php?title=Cooperative_Learning#Frequently_Asked_Questions_about_Cooperative_Learning

Friday, October 25, 2019

Attention Leads to Confidence in the Chrysanthemums Essay -- John Stein

Women, always have and always will love receiving attention; especially when that attention is from a male because girls just like feeling special above all else. In The Chrysanthemums by John Steinbeck, Elisa Allen likes this recognition as well. However, her husband Henry is selfish and too occupied to deal with Elisa and this makes her feel unimportant. Later on, when the man on the wagon arrives at the ranch Elisa and her chrysanthemums find the respect that every woman hopes to secure. Nonetheless, that respect given to Elisa was brief since the man discards her confidence and her chrysanthemums on the road. Therefore, it is clearly evident that the amount of notice bestowed to Elisa and her chrysanthemums alludes to her level of confidence. Throughout the story, Henry Allen’s selfishness and mixed priorities result in the neglect of Elisa which causes her to feel unappreciated and unloved. Elisa is not very comfortable around her husband Henry, this fact is illustrated when â€Å"he leaned over the wire fence that protected her flower garden from cattle and dogs and chickens† (Steinbeck 270). By keeping Henry outside of the garden, on the other side of the fence it is shown that Elisa does not trust him to get near her chrysanthemums. The chrysanthemums are very symbolic in the story as they symbolize Elisa Allen herself, and her only source of joy in the world. Henry is not welcomed into the garden for fear that her confidence, joy and beauty may be crushed. Henry opposes Elisa and the hard work the protagonist has put into her chrysanthemums. Henry tells her that â€Å"[he wishes she would] work out in the orchard and raise some apples [as big as her chrysanthemums]† (Steinbeck 270). In d oing so, Elisa’s efforts go un... ... cries because her dignity is gone, and it becomes a realization that she will never get the attention she seeks, the one that will give her the confidence she needs. It appears as though hope is non existent for Elisa Allen and that is why the protagonist is described as â€Å"crying like an old woman†. In conclusion, Elisa’s level of confidence is directly proportional with the amount of attention given to herself and her chrysanthemums. Henry’s selfishness causes Elisa to experience feelings of neglect. The bearded man’s interest in Elisa makes the protagonist feel very confident as a woman. Eventually, this same man makes Elisa realize that her expectations of men were too high as the man threw away her only source of joy in the world. When receiving unexpected extra attention, be prudent because it may be for other reasons than the one originally thought.

Thursday, October 24, 2019

Steel Design

STEEL BEAM DESIGN Laterally Unrestrained Beam Dr. A Aziz Saim 2010 EC3 Unrestrained Beam 1 Non-dimensional slenderness Beam behaviour analogous to yielding/buckling of columns. M Wyfy Material yielding (in-plane bending) MEd MEd Elastic member buckling Mcr Lcr 1. 0 Dr. A Aziz Saim 2010 EC3 Non-dimensional slenderness Unrestrained Beam ? LT 2 Lateral torsional buckling Lateral torsional buckling Lateral torsional buckling is the member buckling mode associated with slender beams loaded about their major axis, without continuous lateral restraint.If continuous lateral restraint is provided to the beam, then lateral torsional buckling will be prevented and failure will occur in another mode, generally in-plane bending (and/or shear). Dr. A Aziz Saim 2010 EC3 Unrestrained Beam 3 Eurocode 3 Eurocode 3 states, as with BS 5950, that both crosssectional and member bending resistance must be verified: MEd ? Mc ,Rd Cross-section check (In-plane bending) MEd ? Mb,Rd Dr. A Aziz Saim 2010 EC3 Unr estrained Beam Member buckling check 4 Dr. A Aziz Saim 2010 EC3 Unrestrained Beam 5 Laterally Unrestrained BeamThe design of beam in this Lecture 3 is considering beams in which either no lateral restraint or only intermittent lateral restraint is provided to the compression flange Dr. A Aziz Saim 2010 EC3 Unrestrained Beam 6 Lateral Torsional Buckling Dr. A Aziz Saim 2010 EC3 Unrestrained Beam 7 Lateral Torsional Buckling Figure 3-1 shows an unrestrained beam subjected to load increment. The compression flange unrestrained and beam is not stiff enough. There is a tendency for the beam to deform sideways and twist about the longitudinal axis. The failure mode which may occur to the beam is called lateral torsional buckling.Dr. A Aziz Saim 2010 EC3 Unrestrained Beam 8 ?Involves both deflection and twisting rotation ?Out-of plane buckling. Bending Resistance M c, Rd ? M pl ? W pl f y ?M0 Due to the effect of LTB, the bending resistance of cross section become less. Failure may occurs earlier then expected Dr. A Aziz Saim 2010 EC3 Unrestrained Beam 9 Examples of Laterally Unrestrained Beam Dr. A Aziz Saim 2010 EC3 Unrestrained Beam 10 Restrained Beam Comparsion Dr. A Aziz Saim 2010 EC3 Unrestrained Beam 11 Intermittent Lateral Restrained Dr. A Aziz Saim 2010 EC3 Unrestrained Beam 12Torsional restraint Usually both flanges are held in their relative positions by external members during bending. May be provided by load bearing stiffeners or provision of adequate end connection details. See Figure 3-4. Dr. A Aziz Saim 2010 EC3 Unrestrained Beam 13 Beam without torsional restraint Dr. A Aziz Saim 2010 EC3 Unrestrained Beam 14 Can be discounted when: †¢ Minor axis bending †¢ CHS, SHS, circular or square bar †¢ Fully laterally restrained beams †¢ ? LT< 0. 2 (or 0. 4 in some cases) – Unrestrained length Cross-sectional shape End restrained condition The moment along the beam Loading – tension or compression Unrestrained Beam 16Dr. A Azi z Saim 2010 EC3 Lateral torsional buckling resistance Checks should be carried out on all unrestrained segments of beams (between the points where lateral restraint exists). Lateral restraint Lateral restraint Lcr = 1. 0 L Lateral restraint Beam on plan Dr. A Aziz Saim 2010 EC3 Unrestrained Beam 17 Three methods to check LTB in EC3: †¢ The primary method adopts the lateral torsional buckling curves given by equations 6. 56 and 6. 57, and is set out in clause 6. 3. 2. 2 (general case) and clause 6. 3. 2. 3 (for rolled sections and equivalent welded sections). The second is a simplified assessment method for beams with restraints in buildings, and is set out in clause 6. 3. 2. 4. †¢ The third is a general method for lateral and lateral torsional buckling of structural components, given in clause 6. 3. 4. Dr. A Aziz Saim 2010 EC3 Unrestrained Beam 18 Eurocode 3 states, as with BS 5950, that both cross-sectional and member bending resistance must be verified: MEd ? Mc ,Rd Cros s-section check (In-plane bending) MEd ? Mb,Rd Dr. A Aziz Saim 2010 EC3 Unrestrained Beam Member buckling check 19 Lateral-torsional buckling Eurocode 3 design approach for lateral torsional buckling is analogous to the olumn buckling treatment. The design buckling resistance Mb,Rd of a laterally unrestrained beam (or segment of beam) should be taken as: Mb,Rd ? ?LT Wy fy ? M1 Reduction factor for LTB Lateral torsional buckling resistance: Mb,Rd = ?LT Wy fy ? M1 Equation (6. 55) Wy will be Wpl,y or Wel,y ?LT Dr. A Aziz Saim 2010 EC3 is the reduction factor for lateral torsional buckling Unrestrained Beam 21 Buckling curves – general case (Cl 6. 3. 2. 2) Lateral torsional buckling curves for the general case are given below : (as in Eq (6. 56)) ?LT ? 1 2 ? LT ? ?LT ? ?2 LT but ? LT ? 1. 0 ?LT ? 0. 5 [ 1 ? ?LT (? LT ? 0. ) ? ?2 ] LT Plateau length Imperfection factor from Table 6. 3 Dr. A Aziz Saim 2010 EC3 Unrestrained Beam 22 Imperfection factor ? LT Imperfection factors ? LT for 4 buckling curves: (refer Table 6. 3) Buckling curve Imperfection factor ? LT a 0. 21 b 0. 34 c 0. 49 d 0. 76 Buckling curve selection For the general case, refer to Table 6. 4: Cross-section Rolled I-sections Welded Isections Limits h/b ? 2 h/b > 2 h/b ? 2 h/b > 2 – Buckling curve a b c d d Other crosssections Dr. A Aziz Saim 2010 EC3 Unrestrained Beam 24 LTB curves 4 buckling curves for LTB (a, b, c and d) 1. 2 Reduction factor ? LT . 0 0. 8 0. 6 0. 4 0. 2 0. 0 0 0. 5 1 1. 5 Curve a Curve b Curve c Curve d 2 2. 5 0. 2 Dr. A Aziz Saim 2010 EC3 Non-dimensional slenderness Unrestrained Beam ?LT 25 Dr. A Aziz Saim 2010 EC3 Unrestrained Beam 26 lateral torsional buckling slenderness ? LT Mcr ? Wy f y Mcr Elastic critical buckling moment Dr. A Aziz Saim 2010 EC3 Unrestrained Beam 27 Non-dimensional slenderness †¢ Calculate lateral torsional buckling slenderness: ? LT ? Wy f y Mcr †¢ Buckling curves as for compression (except curve a0) †¢ Wy depends on section classification †¢ Mcr is the elastic critical LTB moment Dr. A Aziz Saim 2010 EC3Unrestrained Beam 28 BS EN 1993-1-1 does not give a method for determining the elastic critical moment for lateraltorsional buckling Mcr !!!!!!!! May use ‘LTBeam’ software (can be downloaded from CTICM website) Or may use method presented by L. Gardner †¦Ã¢â‚¬ ¦. Dr. A Aziz Saim 2010 EC3 Unrestrained Beam 29 Mcr under uniform moment For typical end conditions, and under uniform moment the elastic critical lateral torsional buckling moment Mcr is: Mcr ,0 G IT Iw Iz Lcr ? EIz ? 2 Lcr 2 ? Iw Lcr GIT ? ? ? 2 ? ? EIz ? ? Iz 2 0. 5 is the shear modulus is the torsion constant is the warping constant is the inor axis second moment of area is the buckling length of the beam Unrestrained Beam 30 Dr. A Aziz Saim 2010 EC3 Mcr under non-uniform moment Numerical solutions have been calculated for a number of other loading conditions. For uniform doubly-symmetric cross-sections, loaded through the shear centre at the level of the centroidal axis, and with the standard conditions of restraint described, Mcr may be calculated by: ? EIz Mcr ? C1 2 Lcr 2 Dr. A Aziz Saim 2010 EC3 Unrestrained Beam ? Iw Lcr GIT ? ? ? 2 ? ? EIz ? ? Iz 2 0. 5 31 C1 factor – end momentsFor end moment loading C1 may be approximated by the equation below, though other approximations also exist. C1= 1. 88 – 1. 40y + 0. 52y2 but C1 ? 2. 70 where y is the ratio of the end moments (defined in the following table). Dr. A Aziz Saim 2010 EC3 Unrestrained Beam 32 C1 factor – transverse loading Loading and support conditions Bending moment diagram Value of C1 1. 132 1. 285 1. 365 1. 565 1. 046 Dr. A Aziz Saim 2010 EC3 Unrestrained Beam 33 Design procedure for LTB Design procedure for LTB: 1. Determine BMD and SFD from design loads 2. Select section and determine geometry 3. Classify cross-section (Class 1, 2, 3 or 4) 4.Determine effective (buckling) length Lcr – depends on bounda ry conditions and load level 5. Calculate Mcr and Wyfy Dr. A Aziz Saim 2010 EC3 Unrestrained Beam 34 Design procedure for LTB 6. Non-dimensional slenderness ? LT ? Wy fy Mcr 7. Determine imperfection factor ? LT 8. Calculate buckling reduction factor ? LT 9. Design buckling resistance 10. Check Mb,Rd ? ?LT Wy fy ? M1 MEd ? 1. 0 Mb,Rd for each unrestrained portion Dr. A Aziz Saim 2010 EC3 Unrestrained Beam 35 LTB Example General arrangement Dr. A Aziz Saim 2010 EC3 Unrestrained Beam 36 LTB Example Design loading is as follows: 425. 1 kN A B C 319. 6 kN D 2. 5 m 3. 2 m 5. 1 mLoading Dr. A Aziz Saim 2010 EC3 Unrestrained Beam 37 LTB Example 267. 1 kN A B D 52. 5 kN SF C 477. 6 kN Shear force diagram B A C D BM 1194 kNm 1362 kNm Bending moment diagram Dr. A Aziz Saim 2010 EC3 Unrestrained Beam 38 LTB Example For the purposes of this example, lateral torsional buckling curves for the general case will be utilised. Lateral torsional buckling checks to be carried out on segments BC and CD. By inspection, segment AB is not critical. Try 762? 267? 173 UB in grade S 275 steel. Dr. A Aziz Saim 2010 EC3 Unrestrained Beam 39 LTB Example b z tw h d y y r z tf h = 762. 2 mm b = 266. 7 mm tw = 14. 3 mm tf = 21. 6 mm r = 16. mm A = 22000 mm2 Wy,pl = 6198? 103 mm3 Iz = 68. 50? 106 mm4 It = 2670? 103 mm4 Iw = 9390? 109 mm6 Dr. A Aziz Saim 2010 EC3 Unrestrained Beam 40 LTB Example For a nominal material thickness (tf = 21. 6 mm and tw = 14. 3 mm) of between 16 mm and 40 mm the nominal values of yield strength fy for grade S 275 steel (to EN 10025-2) is 265 N/mm2. From clause 3. 2. 6: N/mm2. E = 210000 N/mm2 and G ? 81000 Dr. A Aziz Saim 2010 EC3 Unrestrained Beam 41 LTB Example Cross-section classification (clause 5. 5. 2): e ? 235 / fy ? 235 / 265 ? 0. 94 Outstand flanges (Table 5. 2, sheet 2) cf = (b – tw – 2r) / 2 = 109. 7 mm cf / tf = 109. 7 / 21. 6 = 5. 8 Limit for Class 1 flange = 9e = 8. 48 > 5. 08 ? Flange is Class 1 Dr. A Aziz Saim 2010 EC3 Unrestrained Bea m 42 LTB Example Web – internal part in bending (Table 5. 2, sheet 1) cw = h – 2tf – 2r = 686. 0 mm cw / tw= 686. 0 / 14. 3 = 48. 0 Limit for Class 1 web = 72 e = 67. 8 > 48. 0 ? Web is Class 1 Overall cross-section classification is therefore Class 1. Dr. A Aziz Saim 2010 EC3 Unrestrained Beam 43 LTB Example Bending resistance of cross-section (clause 6. 2. 5): Mc ,y,Rd ? Wpl,y fy ? M0 for Class 1 and 2 sec tions 6198 ? 103 ? 265 ? ? 1642 ? 106 Nmm 1. 0 ? 1642 kNm ? 1362 kNm ? Cross-section resistance in bending is OK.Dr. A Aziz Saim 2010 EC3 Unrestrained Beam 44 LTB Example Lateral torsional buckling check (clause 6. 3. 2. 2) – Segment BC: MEd ? 1362 kNm Mb ,Rd ? ? LT Wy fy ? M1 where Wy = Wpl,y for Class 1 and 2 sections Determine Mcr for segment BC (Lcr = 3200 mm) Dr. A Aziz Saim 2010 EC3 ? EIz Mcr ? C1 2 Lcr 2 ? Iw Lcr GIT ? ? ? 2 ? ? EIz ? ? Iz Unrestrained Beam 2 0. 5 45 LTB Example For end moment loading C1 may be approximated from: C1 = 1. 88 â⠂¬â€œ 1. 40y + 0. 52y2 but C1 ? 2. 70 1194 y is the ratio of the end moments ? ? 0. 88 1362 ? C1 ? 1. 05 ? 2 ? 210000 ? 68. 5 ? 106 Mcr ? 1. 05 ? 32002 ? 9390 ? 109 32002 ? 81000 ? 2670 ? 103 ? ? ? 68. 5 ? 106 ? 2 ? 210000 ? 68. 5 ? 106 ? ? 0. 5 = 5699Ãâ€"106 Nmm = 5699 kNm Dr. A Aziz Saim 2010 EC3 Unrestrained Beam 46 LTB Example Non-dimensional lateral torsional slenderness for segment BC: ? LT ? Wy fy Mcr 6198 ? 103 ? 265 ? ? 0. 54 6 5699 ? 10 Select buckling curve and imperfection factor ? LT: From Table 6. 4: h/b = 762. 2/266. 7 = 2. 85 For a rolled I-section with h/b > 2, use buckling curve b Dr. A Aziz Saim 2010 EC3 Unrestrained Beam 47 LTB Example From Table 6. 3 of EN 1993-1-1: For buckling curve b, ? LT = 0. 34 Calculate reduction factor for lateral torsional buckling, ? LT – Segment BC: ?LT ? 1 ? LT ? ? 2 LT LT but ? LT ? 1. 0 where ? LT ? 0. 5 [ 1 ? ?LT (? LT ? 0. 2) ? ?2 ] LT Dr. A Aziz Saim 2010 EC3 Unrestrained Beam 48 LTB Example ?LT = 0. 5[1+0. 34(0. 54-0. 2) + 0. 542] = 0. 70 ? ? LT ? 1 0. 70 ? 0. 70 ? 0. 54 2 2 ? 0. 87 Lateral torsional buckling resistance Mb,Rd – Segment BC : Mb,Rd ? ? LT Wy fy ? M1 265 ? 0. 87 ? 6198 ? 10 ? 1 . 0 3 ? 1425 ? 106 Nmm ? 1425 kNm Dr. A Aziz Saim 2010 EC3 Unrestrained Beam 49 LTB Example MEd 1362 ? ? 0. 96 ? 1. 0 ? Segment BC is OK Mb,Rd 1425 Lateral torsional buckling check (clause 6. 3. 2. 2) – Segment CD: MEd ? 1362 kNm Mb ,Rd ? ? LT Wy fy ? M1 where Wy = Wpl,y for Class 1 and 2 sectionsDetermine Mcr for segment CD (Lcr = 5100 mm) Dr. A Aziz Saim 2010 EC3 Unrestrained Beam 50 LTB Example ? EIz Mcr ? C1 2 Lcr 2 ? Iw Lcr GIT ? ? ? 2 ? Iz ? EIz ? ? 2 0. 5 Determine y from Table: 0 y is the ratio of the end moments ? ?0 1362 ? C1 ? 1. 88 ? 2 ? 210000 ? 68. 5 ? 106 Mcr ? 1. 88 51002 ? 9390 ? 109 51002 ? 81000 ? 2670 ? 103 ? ? ? ? 68. 5 ? 106 ? 2 ? 210000 ? 68. 5 ? 106 ? ? 0. 5 = 4311? 106 Nmm = 4311 kNm Dr. A Aziz Saim 2010 EC3 Unrestrained Beam 51 LTB Example Non-dimensional lateral torsio nal slenderness for segment CD: ? LT ? Wy fy Mcr 6198 ? 103 ? 265 ? ? 0. 62 6 4311? 10 The buckling curve and imperfection factor ?LT are as for segment BC. Dr. A Aziz Saim 2010 EC3 Unrestrained Beam 52 LTB Example Calculate reduction factor for lateral torsional buckling, ? LT – Segment CD: ?LT ? 1 ? LT ? ? 2 LT 2 LT but ? LT ? 1. 0 where ? LT ? 0. 5 [ 1 ? ?LT (? LT ? 0. 2) ? ?2 ] LT = 0. 5[1+0. 34(0. 62-0. 2) + 0. 622] = 0. 76 ? ? LT Dr. A Aziz Saim 2010 EC3 ? 1 0. 76 ? 0. 76 ? 0. 62 2 Unrestrained Beam 2 ? 0. 83 53 LTB Example Lateral torsional buckling resistance Mb,Rd – Segment CD : Mb,Rd ? ?LT Wy fy ? M1 265 ? 0. 83 ? 6198 ? 10 ? 1. 0 3 ? 1360 ? 106 Nmm ? 1360 kNm MEd 1362 ? ? 1. 00 Mb,Rd 1360 Segment CD is critical and marginally fails LTB check.Dr. A Aziz Saim 2010 EC3 Unrestrained Beam 54 Blank Page Dr. A Aziz Saim 2010 EC3 Unrestrained Beam 55 Simplified assessment of ? LT For hot-rolled doubly symmetric I and H sections without destabilising loads,? may be conservatively simplified to: LT ? LT ? 1 0. 9 ? z ? C1 ?z 1 0. 9 ? 1 C1 E ? z ? L / iz ; ? 1 ? ? fy As a further simplification, C1 may also be conservatively taken = 1. 0. Simplified assessment of ? LT Substituting in numerical values for simplified expressions result. ? 1 , the following S235 ? LT ? 1 L / iz C1 104 S275 ? LT ? 1 L / iz C1 96 S355 ? LT ? 1 L / iz C1 85 C1 may be conservatively taken = 1. , though the level of conservatism increases the more the actual bending moment diagram differs from uniform moment. Simplified method (Cl. 6. 3. 2. 4) Simplified method for beams with restraints in buildings (Clause 6. 3. 2. 4) This method treats the compression flange of the beam and part of the web as a strut: b b Compression h Tension Compression flange + 1/3 of the compressed area of web Strut Dr. A Aziz Saim 2010 EC3 Beam Unrestrained Beam 58 General method (Cl. 6. 3. 4) General method for lateral and lateral torsional buckling of structural components †¢ May be applied to single members, plane frames etc. Requires determination of plastic and elastic (buckling) resistance of structure, which subsequently defines global slenderness †¢ Generally requires FE Dr. A Aziz Saim 2010 EC3 Unrestrained Beam 59 Blank Page Dr. A Aziz Saim 2010 EC3 Unrestrained Beam 60 Important Notes: (End Connections) When full torsional restraint exist: -both the compression and tension flanges are fully restrained against rotation on plan -both flanges are partially restrained against rotation on plan – both flanges are free to rotate on plan Unrestrained Beam 61 Dr. A Aziz Saim 2010 EC3 Connection DetailDr. A Aziz Saim 2010 EC3 Unrestrained Beam 62 Important Notes: (End Connections) Dr. A Aziz Saim 2010 EC3 Unrestrained Beam 63 Important Notes: (End Connections) When both flanges are free to rotate on plan and the compression flange is unrestrained: i. torsional restraint is provided solely by connection of the tension flange to the supports, ii. torsional re straint is provided solely by dead bearing of the tension flange on support. Unrestrained Beam 64 Dr. A Aziz Saim 2010 EC3 Dr. A Aziz Saim 2010 EC3 Unrestrained Beam 65 Dr. A Aziz Saim 2010 EC3 Unrestrained Beam 66

Wednesday, October 23, 2019

Printing Press Consequences

The Consequences of a Forgotten Invention There have been people who have influenced every person in the world yet a seldom few know their contributions let alone their names. Of these people was a man named Johannes Gutenberg; the man who invented the printing press. The printing press is one of those inventions that most people take for granted and do not realize their importance. Without the press we would still be handwriting every single copy of any book every written and so the question is what were the main consequences of the printing press? That is, what happened as a result of the invention of the printing press?The answer is that it marked the transition from script to printing and it allowed the mass production of information, which in turn allowed ideas to spread quicker. The ability to have a mass production of information has transformed almost all aspects life and all fields of study. Two of these topics include religion and geography and exploration. This essay will first explain the importance of the transition from script to printing and then will go on to explain the impact the press had on literature and geography and exploration in order to elaborate on the latter consequence listed above.Perhaps the absolutely most important thing about the invention of the printing press is that it marked the transition from script to printing. As seen in Document A, whilst comparing the two images, the effect of Gutenberg’s invention is very clear. In the top visual, which shows the dictation method, it can be seen that the process is very lengthy and tiring. Also, only a few books are visible. Whereas, in the bottom visual, which shows the printing method, there are many papers in sight and the process seems to be a lot less time-consuming.From this it can be concluded that printing is a lot more efficient method of producing books and no longer required laborious hours of writing manuscripts. This conclusion can be supported by the next documen t: Document B. By looking at the maps it becomes apparent that the people back then also had similar opinions about the printing press as, with-in thirty years, the number of printing presses in Europe more than quintupled. In 1471, there were about a dozen presses but by the end of the century, there were upwards of 65 in the continent. However, Document C represents a contradicting opinion.This source claims that people still liked hand-written documents over those that were printed. This was bound to happen because, even like today, hand-made items are always considered more precious but the more practical solution will always prevail, which, in this case, was the printing press. In the subsequent paragraphs, the consequences of this transition on various aspects of life will be explained. ‘Gutenberg’s invention probably contributed more to destroying Christian concord and inflaming religious warfare than any of the so-called arts of war ever did. These twenty-four w ords written by Elizabeth Eisenstein in her book, ‘Printing Revolution in Early Modern Europe,’ (Document E) perfectly describe the consequence of the printing press on religion. Around the same time as the birth of the printing press, a desire for reformation in the Church was also arising amongst the people. According to history, Martin Luther lit the fire of desire by posting his 95 Theses on a Church door. However, what is not being taken into account is that Luther’s ideas spread quickly solely because of the printing press, as John Man explains in Document D.Had his ideas not spread all over Europe with-in a month, reform would have come much later or perhaps never. Similar to Luther’s 95 Theses, the Polyglot Bible, which allowed ordinary people to understand the Bible as it was written in nine different languages, would not have spread around Europe so rapidly if it were not for the press. Both, the Polyglot Bible (Document G) and Luther’s 95 Theses (Document D), fueled the Protestant reform but would not have even close to as big of an impact if it were not for the printing press.The map in Document F verifies this statement because it shows how quickly Protestant ideas spread around Europe. In merely 60 years, Europe went from being completely Catholic to roughly half Protestant and half Catholic. This in itself further emphasizes how mass production of information allows ideas to be spread faster and therefore demonstrates the one of the consequences of the printing press. Along with the religious turmoil came times of great exploration. Partially credited to Renaissance ideals, Europeans began to explore the world. Perhaps the most famous explorer of all is Christopher Columbus.In 1492, he did indeed sail the ocean blue to discover the Americas. After Columbus, came other great sailors from various other European nations who explored other parts of the world. Believe it or not, the printing press served a great purp ose in exploration too. Columbus sent a letter to the King of Spain, which talked about the New World. According to Document H, this letter was translated and published over and over again and with-in a year it reached places as far as Antwerp. In the succeeding years Europeans embarked upon a great number of voyages.This indicates that Columbus’ letter was likely to have sparked curiosity or even jealously into the hearts of other Europeans and so they to began to explore the world. There was an obvious correlation between exploration and maps. As seen in Document I, the more people that explored, the more accurate the maps were became. The relationship goes the other way too. The more accurate the maps were, the better the explorer can judge where they were, which then allowed them to have a better sense of direction. The printing press played a huge role in the publication of maps.With the press, maps now looked the same, unlike before when they were drawn by hand, which a llowed for inconsistencies amongst copies of the same work. Once again, this highlights both consequences stated above: the press allowed the mass production of information and marked the transition script to printing. In conclusion, it can be clearly seen that the printing press revolutionized the world on a countless number of levels. It transformed the way people communicated and the way information was dispersed. The transition from script to print was huge because the press was far more efficient for publishing any kind of information.As a result, there could now be a mass production of information. It was made obvious, through the examples given, how mass production fueled the Protestant Reformation and perhaps even sparked the age of exploration. Taking all this information into account there is no doubt that the consequences of the printing press were that it marked the transition from script to printing and it allowed the mass production of information, which in turn allowe d ideas and information to spread over a large distance in a short period of time.

Tuesday, October 22, 2019

Public Companies Essays - Types Of Business Entity, Legal Entities

Public Companies Essays - Types Of Business Entity, Legal Entities Public Companies PUBLIC COMPANIES Public Companies are those which are listed on the stock exchange. The public may buy and sell shares in them. A public company will have the word 'limited' after the company name (usually abbreviated to Ltd). Characteristics The characteristics of a public company are that they are limited by shares and have limited liability. 'Limited by shares' means that shares in the company can be bought and sold freely (shares are featured in the stock-exchange). While 'limited liability' mean that in the event of company failure e.g. bankruptcy, the financial responsibility of the individual shareholders is restricted to the face value of his/her shares. In other words personal assets cannot be touched. Another characteristic of a public company is the Limited or Ltd after the companies name. It distinguishes between public and private companies clearly. Process involved in setting up In order to set up a public Company, 5 or more people need to follow the procedure stated in the Company Law Review Act 1998. That is, they need to fill out form 201 (refer to Appendix 1) from the Australian Securities and Investments Commission (ASIC). This form contains particulars of the initial members, office holders and office addresses. In the past, companies had to have a memorandum and Articles of Association. Now, they may need either a single set of rules known as a 'constitution' or have no constitution and rely on basic rules of internal management set out in the law known as 'Replaceable rules'. These rules can be replaced by a constitution at any time, hence it's name. When a company is registered ASIC issues the company with a unique nine-digit number called the Australian Company Number (ACN). After the issuing of the ACN number, the company is officially registered as a Public Company. The operation of a public company has it's advantages and it's disadvantages due to it's function and it's influences from it's external environment. Advantages J The shareholders have limited liability J The company has perpetual succession (if the main owner dies, their shares can be sold to other people or his/her nominated succession). J Shares are easily bought and sold on the stock exchange. J Finance can be easily arranged. J The management normally has a large degree or experience and expertise in a variety of fields. J It is a legal entity. Disadvantages L Government regulations effect company activity L There are usually limits placed on the power of the board of directors. L Companies can be expensive to maintain and organise. L the ease with which shares can be bought and sold may sometimes be a disadvantage because if every shareholder sells their shares, due to an unstable period in the economy, the value of the company will decline. Cessation Cessation of a public company means that the company stops trading. One reason a company may stop trading is because it can not pay it debts. It is the liquidated which means it's assets are distributed to it's shareholders according to the number of shares each person has. Sometimes, when the company has difficulty paying it's debts, the courts may appoint a receiver to decide if the business should continue to trade or close it down. The receiver is an independent manager, usually an accountant. Bibliography business and accounting By Pat Whoo Copyright 1997

Monday, October 21, 2019

Controversy Essay

Controversy Essay Controversy Essay Controversy Essay: Choosing Controversy Essay Topics To write a good controversy essay worthy of attention, you need to start the process of writing with a careful choice of a good topic. The first and the most important issue to keep in mind is that such topics as abortions, gay adoption, or animal experimentation are no longer interesting to explore. Your instructor wants to see fresh topics and fresh ideas. Therefore, start your research and be creative: One of the important elements of controversy essay writing is the value of being indifferent to the topic. While it is hardly possible to have no opinion on the issue, avoid choosing the topics that make you too passionate. For example, if are strongly against smoking in public places, you will fail writing a good controversy essay at least because you have to present both sides of the argument. The second critical aspect of successful controversy essay writing is organization of your ideas. The most recommended structure is the following: introduction, your strongest point, second strongest point, opposing point, refutation, third strongest point, and conclusion that restates your key points. Of course, you will not succeed in writing strong controversy essay if you do not include specific examples to support your points. Therefore, devote enough time to read different articles, look through books, and surf the Internet. Do not forget about citing all borrowed information! You do not want to get F for plagiarizing, do you? Use Custom Essay Writing Services for Your Benefits If writing a controversy essay is a real headache for you, we offer an opportunity to take advantage of our professional custom essay writing services. We will help you with the choice of the topic, outline, research, writing, and editing. Therefore, you do not have to spend endless hours in painful search of the topic and drafting of your controversy essay. Of course, you should never commit yourself to the service that raises concerns about legitimacy. We are among the few sites that fulfill their promises. We meet deadlines and we do not work with ESL writers. Working with our professional team, you get the best results within the shortest deadline. Yes, we can deliver a 5-page controversy essay in 24 hours! It should be noted that we do not resell delivered essays. In other words, your essay is original and written from scratch. Moreover, no client will ever be able to get access to your controversy essay. We treasure the trust of our clients, and try our best to meet requirements of every customer. Read more: Science Research Paper Research Papers Proposal Research Paper Thesis Research Paper Ideas Research Paper Format

Sunday, October 20, 2019

Asserting Ethnic Identity and Power Through Language Essay Example for Free

Asserting Ethnic Identity and Power Through Language Essay Week-1 The linguistic ideology at work here is founded both on the concept of the ‘mother tongue’ as well as on the ‘one nation, one language’ principle. Communities on the western side of the border are not interested in learning the language of their eastern neighbors. Eastern communities, on the other hand, are strongly motivated to learn western languages. The importance attributed to English as the ‘language of globalization’ is common to both sides. We can actually say that ‘language’ is a very hot and recurrent issue for some communities: namely the German-speaking community in Bernstein (D), the Czech-speaking community in Vejprty (CS), the German-speaking and Slovenian-speaking communities in Eisenkappel/Z? elezna Kapla (A),etc. The term ‘mother tongue’ is often used – forms the ‘way of thinking’ of its speakers, and thus the different ‘mentalities’ and ‘national characters’ are connected with the use of different languages. Many informants are convinced that it is the ‘mother tongue’ which determines thought, social behavior, and exhibition or control of affection and emotions. Thus the confrontation between languages automatically becomes a clash of mentalities. For example, the German-speaking community in Ba? renstein finds there is a relation between the insurmountable difficulty in pronouncing and learning the Czech language and the incomprehensibility of the words Czech-speaking people produce. People in western communities explain this widespread knowledge by saying that ‘the Others’ need to know my language, because my language is the superior One. We can also find indices of implicit prestige in many interview quotes, like ‘my language is useful to find a job’, ‘my language is more international than theirs’, ‘it represents a symbol of upward social mobility’; ‘the importance of my language forces them to learn it, and in this way they show practical sense, intelligence and cleverness, because they well know that the knowledge of the languages spoken on both sides of the border offers more professional and economic opportunities’. People are not generally interested in learning the language of the ‘Other’, and the reason is, as we have already seen, its ‘uselessness’, or its low value on the ‘language market’. They only learn what they need in their commercial transactions. Europe is a multilingual continent in which the tension between linguistic pluralism and assimilation is quite evident at present. Week-2 The topic for this week was â€Å"Creation of a Sense of Belonging through Language†, which we found very much interesting as we have to present our own explanation, views and thoughts. The topic is about Finland, Iceland and Latvia. Firstly we discussed about Finland that Swedish-speaking people along the coastlines, spoke a non-Scandinavian language, namely Finnish. The Finnish language was to become the most effective medium in the nation-building process as well as the most important criterion in creating an awareness of a collective identity. Language became a defining characteristic towards the ‘outside’ and a communicative driving force on the ‘inside’ within the great diversity of local and regional cultures. We could say that for the process of nation-building in Finland during the 19th century two main deficits had to be overcome: sovereign state structures had to be developed and an individual Finnish national consciousness had to be formed. In the process of spreading a Finnish national consciousness – a development often associated with the term ‘awakening’ as in a religious experience – the main focus was directed towards the common people, their language and culture. Finland’s modest cultural life, Finnish had gained the status of a modern cultural and scientific language. The civil servants, scholars, and many artists, continued to use Swedish as their language of communication and publication. But Finnish steadily gained ground. Many people were already, or became, bilingual. The accusation that Finnish was ‘too primitive’ was defeated by generating new terms, which proved that the language was innovative and possessed the potential for development. In the discussion about Iceland by Halfdanarson. The text tells a story of Icelandic nationalism and the struggle for independence of Iceland under Danish rule. Halfdanarson points out the rare case of Icelandic nationalism, and it’s non-violent nature. In fact, according to the article, both Iceland’s struggle for independence and the Danish reactions to it were both surprisingly pacific in nature, partly because of the idea of shared past and cultural heritage between the two countries. There are certain elements in common with the case study of Iceland and Herder’s text, such as the idea of mystic, shared past of a nation, the role of the single language of a social group forming the nation and so on. I think especially in cases like Iceland, language and linguistic identity have essential role in formation of national identity. Iceland is isolated, both in geographical terms as an island in the middle of Atlantic ocean and in terms of language. Although Icelandic is a language related to scandinavian languages, it still differes from them quite a lot. And lastly There was a question that is it possible to have a single language in whole Europe? We think its not possible to have a single langage in the whole Europe as there are many different countries with their own languages from last hundreds of years. In Europe, People communicate with each other using the shared language of their group. The group might be as small as a couple (married or unmarried partners, twins, mother and daughter etc. who share a ‘private’ language where only they know the meaning of some words) or as large as a nation, where everyone understands the allusions in their shared language (often allusions to shared history, to contemporary events, to media people of fact or fiction etc). The ‘secret’ language of the smallest group and the ‘public’ language of the national group are two ‘varieties’ of the same language. Every social group, large or small, has its own language variety, (regional groups have varieties of the national language (as opposed to regional or minority languages) which are usually called ‘dialects’) and there is overlap among all the varieties. However there is a possibility to use English as a second language as use of English gives a considerable advantage to the 13 % of EU citizens who are native English speakers, and to speakers of closely related languages (German, Dutch, Danish and Swedish), over all other Europeans. Week-3 In the week 3, we learned about ‘Language and subjective identity’. The two articles were on Franz Kafka and Simone de Beauvoir. Franz Kafka was German though he never lived among the Germans. He was then living in Prague, Czech. Hence Kafka knew both Czech & German languages. But, he preferred Czech Language as he was of the view that one could express his/her feeling in a better way in a particular language. In this case, he thought that Czech was a better language than German to express his feelings. Franz Kafka was in love with Czech translator Milena Jesenka. He used to demand Milena to write him letters in Czech language than German. He belived in a approach â€Å"belongs to a language†. When Milena replied his letters in Czech, he believed that Czech was much more affectionate, which removes all the uncertainties, he could see his lover more clearly, the movements of her body, her hands quickly which almost resembled as they both are meeting. This shows how Kafka prefered Czech more than German. Kafka encouraged his favourite sister Ottla in her marriage to Josef David, a Czech Catholic, against the opposition of parents and relatives, and wrote affectionately to his new brother-in-law in fluent Czech. For Prague Jews of Kafka’s generation, language and identity could be painfully dissonant. In Kafka’s case, this dissonance reached deep into his own family, conferring an alien quality on the most intimate of human relationships. Franz Kafka died of tuberculosis in 1924. He is buried beside his parents in the family plot in Prague’s New Jewish Cemetery. Simone de Beauvoir is a French Women. She was French writer, political activist, feminist, and social theorist. She gave her whole life for feminine rights and equality with men in Society. Beauvoir was an outstanding student. She did her postgraduate work at the Ecole Normale Superieure, the top postgraduate program in France, where she met Jean Paul Sartre. When World War II broke out in September 1939, Sartre was called for military service. He became a prisoner of war when the French army surrendered, but he was released and both Beauvoir and Sartre participated in the resistance, and after the Vichy Regime dismissed Beauvoir from her teaching position, she began a novel about the resistance. When the war ended, Beauvoir and Sartre became part of a group of leading French intellectuals, who concerned themselves with the perceived failures of modern French society. they founded Les Temps modernes as a means to explain their social and cultural views. At the same time, Sartre suggested to Beauvoir that she undertake a book on the status of women, and she published, La deuxieme sexe (The Second Sex). This was her most famous, and influential book. It became a sourcebook of modern feminism, particularly in the United States for later feminist thinkers such as Betty Friedan and Gloria Steinem. De Beauvoir used very specific and effective and powerful words to underline her matter. She is willing to deploy language and words towards others, because she knows about â€Å"a manner in which her body and her relation to the world are modified through the action of others than herself†. Asserting Ethnic Identity and Power Through Language. (2016, Oct 22). We have essays on the following topics that may be of interest to you

Friday, October 18, 2019

Company Aytch Essay Example | Topics and Well Written Essays - 750 words

Company Aytch - Essay Example aining of the soldiers in the face of the new technology in the field of war, this left horrific and devastating experiences to many people and influenced many young men to volunteer to fight through different companies, among them was Sam R.Watkins who was in the rank of common soldier and depicted as immortality through his 1882 memoir Company Aytch. The initial deployment of the troops took place on the proceeding day leaving the local residents in a dilemma whether to leave or to stay in their village, on the eve of the battle upon drawing picket duty, Watkins was surprised to discover a Union guard ‘Yankee’ that was on duty across the road, as Watkins explains that on that night they were not enemies â€Å"†¦We got very friendly †¦ and made a raid upon a citizen’s pantry where we captured a bucket of honey, a pitcher of sweet milk, and three or four biscuits† (Watkins 12) Watkins believes that the locals in this village were taken by surprise. Watkins recalls in his memoirs that in the following morning that a line was drawn between Perryville and the Yankee army, on the other side of the Yankees, they raised blue flag, ready for the war with their dogs threatening to attack, but the war did not start until 12 o’clock (Watkins 15). They were marching in a corn field when the Yankees opened their war dogs on them, they were attacked from the three lines from which they were able to counter attack killing every of their opponent mostly by the use of Napoleon guns, this resulted to many killings totalling to 55,396 federal soldiers and 16800 Braggs confederate soldiers (Watkins 27). One of the greatest characteristic of this war, was that for the first time, Henry Rifle was employed, the rifle was sold in Louisville and it is thought that it was bought by a soldier in Terrills, repeating rifle such as Spencer and Henry were considered to have been the most advanced infantry weapon , in fact the Henry which was an advancement of Winchester, was

The surprising fact about the 17th century Spain is not so much its Essay

The surprising fact about the 17th century Spain is not so much its decline as a great power but its survival for so long.' Do y - Essay Example Spain was able to survive. The Spanish government’s decline as a great power is not as important as the how long Spain continues to survive until the end of the 17th century. Henry Arthur (1980) emphasized the English general Oliver Cromwell’s death in 1658 had inflicted a huge loss on the English Army as well as the strength of the French army. Cromwell had joined forces with the French to prevent the Stuarts from regaining the throne in England. The French were interested in the alliance because they did not want the Stuarts to return the English throne. History shows that the Stuarts did return to the English Throne in 1658 after the political turmoil that erupted in England in the same year. When King Charles II ascended the English throne, England stopped its attacks on Spain. Initially, the English commander, Cromwell, sought Catholic France’s alliance in order to defeat Catholic Spain because Cromwell believes God prefers that the Protestant religion shoul d flourish in Europe. Cromwell initially attacked the Spanish trade and treasure routes. Cromwell tried to attack the Spanish forced on Hispaniola. However, the Cromwell attacked failed because the Spanish defensive forces in Hispaniola were too strong compared to the incoming English army. Defeated, Cromwell’s forces fled and reached the shores of Jamaica in May 1655. Overall, the English Admiral Robert Blake attacks did not completely win the war against Spain. The English – French alliance was entitled the Treaty of Paris was signed in March 1657. The treaty emphasised France will join England in attacking Spain in the battle of Flanders. The treaty specified that English will send an estimated 4,900 soldiers and France will send 19,900 soldiers to fight the Spanish soldiers. The war reached the Gravelines, Mardyck and Dunkirk localities where Spain had more gains compared to the English side. Further, during Spain’s war against England, England suffered huge losses. The Spanish counter attack had eradicated the English shipping trade. In the same light, Spain also suffered huge losses when Admiral Blake blockaded Cadiz. The blockade caused a stoppage of the Spanish economy which generated most of its cash inflows from imported silver and gold coming from the Americas. Spain’s King Philip IV was extremely worried with the English Attacks in Italy, Flanders, and Portugal. Furthermore, William Guthrie (2003) reiterated the 30 years French – Spanish war precipitated from the Habsburg rivalry. France attacked Spain at Les Avins in 1635. In response, the Spanish forces used its Southern Netherlands forces to implement speedy counter attacks on French defensive positions. The counterattacks had literally maimed the French economy. In 1643, the French army crushed the previously invincible Spanish army in Rocroi, Northern France. During this time, the Catalonia revolts and the Portuguese revolts had undermined the strength of the Spanish army. During this war, the Spanish forces were trapped between the French forces on one side and the Dutch forces on the other side. As expected, the Spanish forces were trounced by the advancing French forces at the battle of Lens. However, could not overrun the losing Spanish forces strategically entrenched in Flanders. The In the Peace of Westphalia, France was given the Alsace territory. Likewise, Spain

Post Modernism and Globalization Essay Example | Topics and Well Written Essays - 1500 words

Post Modernism and Globalization - Essay Example While others view globalization as leading to heterogeneity through heightened hybridization, other quarters view it as something that is leading more towards the production of diversity. Globalization according to many scholars, who believe in post modernism, has caused great ripples in the cultural political and economic situation and stability of the word and has led to new dispensations (Giddens, 1990).. In spite of the existence of several descriptions of the term globalization, believers of postmodernism have come to the point of stating that globalization is a historical break from the norm; one that has been characterized by the development of transnational capitalism, the production of post –Fordism configuration or the view that globalization is a new cultural view of what has previously been termed as capitalism.Implications of GlobalizationIt is beyond doubt that globalization has upon the world fallen with its effects beyond taking for granted. The phenomenon has been associated with several benefits and limitations. The benefits of globalization include the opening of markets, greater k[prosperity for societies, freer trade, greater respect for individuals and communities and the springing of a global culture that has greater respect for human rights based on western ideologies as noted by Lipietz (1996). Conversely, the alternative side of globalization has mainly included the weakening and possible abolition of cultural and national liberties by transnational organizations.

Thursday, October 17, 2019

Christianity in Japan Term Paper Example | Topics and Well Written Essays - 3000 words

Christianity in Japan - Term Paper Example Missionaries who enter the nation appear to be unaware of this reality, so many of them may continue to use similar strategies applied in non-Japanese cultures. Their failure to take into account the perspectives and inclinations of the people of Japan may explain why so few Christians exist in the country and why the church has grown by only minuscule levels in this part of the world. In the early seventeenth century, Japan underwent a unification process in which they created a politically stable system for over 200 years. This need for stabilization came after prolonged periods of civil strife starting from the 12th to the 16th century under the leadership of the shogun, which was a military governor. The shogun was a representative of the Japanese emperor and had much political power; in fact, many argue that the emperor was a mere symbol as the real ruler was the shogun. The shogun also had retainers who got property and political control for offering military services, but this arrangement would prove to be ineffective as the two parties often conflicted amongst themselves. By the 16th century, it became clear that the system was unsustainable as it led people to enter into war amongst themselves (Reader 39). This civil war led political leaders to seek unification among various states through the efforts of military representatives; the process would lead to a series of social and cultural processes as well. The remaining chieftain in 1600 to 1616 was known as Tokugawa bakufu - a temporary military government – that had shoguns. These shoguns wanted to prevent civil war using the daimyo who were strong property owners found throughout the country. Daimyo also had their own schools, judiciary and military representatives within their territories; several of them worked on expanding their economies by foreign relationships with foreigners. They acquired the skill of weapons manufacture from European travelers and purchased firearms as well

UK Government Urban Policy Agenda Essay Example | Topics and Well Written Essays - 3000 words

UK Government Urban Policy Agenda - Essay Example The implication of various reports that have been projecting the growth of population in UK is increased house-building especially on undeveloped green fields. Every incoming government has been targeting to increase the number of houses in the cities in order to solve the housing problem. However, according to the Urban Task Force, these interventions are insufficient. This is because an appropriate strategy must address the increasing level of dissatisfaction among the city residents. Many of these people feel that little attention is being directed towards making city life better . Therefore, there is an argument that the policies should not only focus on accommodating people in urban areas, but also make the cities attractive for the people living in them. The last government’s urban policy agenda failed to achieve the set objectives. For instance, in 1999, the Regional Development Agencies was launched. The main aim was to transform the UK’s regions through sustainable economic development. This is through creating the right conditions for growth and bringing expertise to the task of economic regeneration and development. This is through improving the physical infrastructure and providing the necessary support to the people. In 2002-2007, the agency received a large amount of money from the government.

Wednesday, October 16, 2019

Healthcare Informatics Essay Example | Topics and Well Written Essays - 1250 words

Healthcare Informatics - Essay Example One critical question that one should reflect on is whether the patients are aware of the privacy risks involved in exposing their personal health data? (Chbeir & Al Bouna, 2013). Or whether there are appropriate policies for these social sites that guarantee the safety of the information to avoid health data security breaches that may turn costly on the part of the information owners? Awareness and education of the users are of paramount importance in mitigating the privacy risks. Li (2013) observes that there policy implications of using the health social networking sites and the stakeholders and the policy makers should elaborate them to protect the privacy of online health data. The health social networking sites are left to decide what information will be kept private and what will be shared. If there existed knowledge about the privacy settings, patients would be able to restrict the health data they want to keep secret. Healthcare Informatics After reading the work by Li (2013), I strongly support the option of privacy by education for mitigating the privacy risks surrounding the health data shared on the social networking sites. It should be noted that the health data collected from the social sites attracted unlimited commercial interests that can be used as business opportunities for medical research companies and partners.

UK Government Urban Policy Agenda Essay Example | Topics and Well Written Essays - 3000 words

UK Government Urban Policy Agenda - Essay Example The implication of various reports that have been projecting the growth of population in UK is increased house-building especially on undeveloped green fields. Every incoming government has been targeting to increase the number of houses in the cities in order to solve the housing problem. However, according to the Urban Task Force, these interventions are insufficient. This is because an appropriate strategy must address the increasing level of dissatisfaction among the city residents. Many of these people feel that little attention is being directed towards making city life better . Therefore, there is an argument that the policies should not only focus on accommodating people in urban areas, but also make the cities attractive for the people living in them. The last government’s urban policy agenda failed to achieve the set objectives. For instance, in 1999, the Regional Development Agencies was launched. The main aim was to transform the UK’s regions through sustainable economic development. This is through creating the right conditions for growth and bringing expertise to the task of economic regeneration and development. This is through improving the physical infrastructure and providing the necessary support to the people. In 2002-2007, the agency received a large amount of money from the government.

Tuesday, October 15, 2019

Jews and Christians Essay Example for Free

Jews and Christians Essay Islam is a monotheistic religion based upon the teachings of Muhammad, a 7th century Arab religious and political figure. It is the second-largest religion in the world today, with an estimated 1. 4 billion adherents, known as Muslims. Islam is considered one of the second largest religions in Europe today especially in France and the United Kingdom. In regions like the Middle East, North Africa, south and central Asia, Islam is the dominant religion. The core belief of Muslims is that God revealed himself to all mankind through his Prophet Muhammad, and he gave his holy book, the Qur’an which embodies the message, teachings and traditions of the Sunnah which is considered as the basic sources of Islam. The Prophet Muhammad is regarded by Muslims as the true and final prophet of God. Islam, like Judaism and Christianity is also an Abrahamic religion. Muslims belief that God revealed his final message to Muhammad through the angel Gabriel, and that message is the truth of salvation and shall hold true until the day a of resurrection, that the holy Qur’an is the infallible word of God and has the seal of the prophets. Muslims belief that the core message of Islam, which is the worship of one God, is the same message preached by the all messengers that God has sent before Muhammad. Muslims also belief that the coming of Muhammad was the cache in God’s revelation of himself to mankind, the end of all the messages of one God which has been preached since the time of Adam. Muslims see their religion as the original and the final message of God to mankind, and see Christianity and Judaism as a distortion of the original revelation of God to Abraham, Moses, Jesus, and Muhammad. There are several similarities that run through these three religions. Geographically, they all seem to have their origins in the Middle East. They all lay claim to the most prominent religious figures the world has ever known i. e. .Abraham, Isaac, Jacob, Moses, as their forebears. The Qur’an even acknowledges Jesus Christ as a major prophet who walked the face of this earth and had a distinct knowledge of God. Islam acknowledges the practitioners of Christianity and Judaism as the people of the letter, which is to say that they are people who have received divine scriptures. All these not withstanding, Muslims believe that the final and truthful revelation of God and the right way of worship came through the holy prophet Muhammad. Muslims believe that Islam is the right way of worship, of seeking God and of attaining salvation and therefore they must seek to win more peoples unto the Allah. Like the Jews, who saw a non Israelite as a gentile, any one other non-Muslim is an infidel. They also belief that Allah appreciates it very much when you die a violent death defending the faith of Islam and that automatically grants you grace favor and salvation before the lord, Infact, you go straight to heaven which is the ultimate reward of serving God here on earth just as Christians believe. In conclusion, Islam sees itself as superior to Christianity and Judaism because they believe it’s the total revelation of God of himself unto mankind.

Monday, October 14, 2019

Negative Effects of Media on Youth: Causal Effect Analysis

Negative Effects of Media on Youth: Causal Effect Analysis Natasha Nguyen Why is it difficult to show that media causes harm to young people? Introduction The impact of the media on young people has long been an issue, with concern that younger audiences are negatively influenced by media. Effects research has been used to determine whether media causes harm on young people. However, media effects research has its difficulties in generating viable results. This paper will outline why it is difficult to show a direct causal effect from media resulting in negative outcomes and behaviours from young audiences. No media effects researchers believe in direct effects and a cohort of media scholars make valid claims supporting this statement. Barrie Gunter effectively explains the validity problems with media effects research, with Albert Bandura’s famous ‘Bobo Doll’ experiment as an example. David Gauntlett’s views on the flaws of the effects model are also relevant to the discussion and McQuail makes very constructive points on how audiences can choose how they let media affect them. To further justify that it is difficult to show that media causes harm to people, the ideas discussed will be related to the case study of the murder of 2 year old James Bulger. Validity of Effects Research Early media effects experiments, such as the Payne Fund Studies, consisted of children participants being placed in artificial environments (Gunter 2008,p.1085). They were fed dosages of media violence controlled by researchers who then exposed them to environments where they could behave in aggressive ways if they choose to (Gunter 2008,p.1085). However, these studies have been criticized by scholars for lacking validity (Sparks, Sparks Sparks 2009,p.272). The experiments were too far-fetched to produce any feasible results about media effects as they were artificial; taking users out of their natural habitats, feeding them media they would not usually consume and using unrealistic representatives for real-life violence (Ruddock 2013,p.27). Gunter (2008) is especially adequate at explaining the problems with validity in effects studies. He outlines the issues with conducting experiments in artificial settings. Participants are aware of researchers and act accordingly, doing what th ey thought the researcher wanted (Gunter 2008,p.1088). Gunter (2008,p.1102) reports how the selection of media extracts fed to participants were devoid of their original context and could be interpreted differently when embedded in their original source. Media effects research cannot be discussed without referencing Bandura’s (1963) Bobo Doll experiment (Sparks, Sparks Sparks 2009,p.272). The study illustrated that when watching a televised model commit aggressive actions, children were more likely to imitate the actions if the model was rewarded instead of punished (Sparks, Sparks Sparks 2009,p.272). This suggests an association between aggressive media influences on the children to mimic the aggressive acts but Gunter (2008) cautioned against mistaking association for causation. There were many flaws to that experimentation, with even Bandura (2009,p.110) himself discussing the severe constraints tied to controlled experimentation. Flaws in the â€Å"Effects Model† In response to traditional media effects studies, Gauntlett (1998) discusses the flaws of media effects studies, outlining why it cannot be used to prove that media causes direct harm to young people. Firstly, he discredits effects research for coming to social problems backwards. Researchers start with violent media and attempt to find ways to connect it to social problems, such as aggression, instead of beginning with social problems to find their causes (Gauntlett 1998,p.214). Gauntlett (1998,p.216) also criticizes the effects model for treating children as inadequate and more manipulable than adults, being influenced into behavior adults wouldn’t be. He questions the validity of effects research by discussing the use of artificial studies, claiming that they are selective and based on the belief that the subjects will not change their behavior as a result of being observed (Gauntlett 1998,p.219). In examining some of the flaws that Gauntlett presents, it is clear that it i s difficult to research media effects to show a direct causal effect as the methods traditionally used undermine the validity of the results. Audience’s Choices on Effects The influence media has commonly depends on audience motivations, as information conveyed is not what influences audiences but rather people’s self-determined reaction to this information (Petty, Brinol Priester 2009,p.126). Pieslack (2007) delves into this concept through his studies of music and war. He states that people voluntarily expose themselves to the effects of media, citing soldiers at war as an example who become aggressive after listening to rap music because they want to become aggressive (Pieslack 2007,p.134). McQuail (1997,p.205) explains how typical effects models were perceived as a one-way process of causality, from media to consumer, where the audience was viewed as a passive recipient of media content. However, individuals have unique tastes in media, with some more inclined to expose themselves to media violence (McQuail 1997,p.206). This destroys the notion of media messages being forced upon individuals unwillingly, evidencing that young audiences know ingly visit effects upon themselves (Ruddock 2013,p.28). Young people often learn from media because they choose to (Bandura 2009,p.97). This demonstrates the difficulty in showing that media causes harm to young people as there may be a correlation between aggression but there is no proof of direct causation, with certain individuals choosing to let media influence them (Gunter 2008,p.1095). Audiences Backgrounds Media aggression does not have the same effects on everyone and some may be more susceptible than others to effects of media violence (Gunter 2008,p.1095). Individual media audiences have different psychological makeups that influence the way they respond to aggressive media (Gunter 2008,p.1112). The consumption of violence and aggression from media is complex and must account for the audience’s differing psychological profiles (Gunter 2008,p.1097). Media violence can produce aggression when paired with troubled social conditions (Ruddock 2013,p.35). We cannot assume that violence from media consumers is directly linked back to the media as there are many other influences which can cause aggression in individuals. Peer influences, family conflicts and other factors may all influence aggressive behaviour (Sparks, Sparks Sparks 2009,p.273). It has also been reviewed that negative effects of media violence were mostly visible among the poor, less educated and socially disenfranc hised (Ruddock 2013,p.35). This proves that violent media effects are mostly a risk for individuals whom already had difficult lives and as a result, it is difficult to prove a direct causal effect from violent media. The James Bulger Murder In 1993, controversy over media effects on children surfaced following the murder of two-year-old James Bulger by two ten-year-old boys, Jon Venables and Robert Thompson. Bulger’s body was found mutilated on a railway line two days after his murder. Though no evidence of it was brought to trial, violence in videos was considered a possible stimulus. There were many links made by the press between the crime and events in a film called Childs Play 3 (Bignell 2002,p.134). Venable’s father had rented the film however, Venables did not live with his father and had never seen the film (Bignell 2002,p.134). There was no way to connect the crime to the film and direct effects were never proven and authorities concluded that the crime was the case of two disturbed individuals acting on dark impulses, rather than on the influence of violent media. Thompson grew up in a brutal environment, being assaulted by five older brothers and an alcoholic mother. His tough upbringings may ha ve produced aggression when paired with violent media. He could have chosen to let aggressive media influence him voluntarily, wanting to become more aggressive to deal with his surroundings. This underlines Pieslack’s (2007) point about audiences voluntarily exposing themselves to media effects. The boys’ psychological makeup could account for their actions and their responses to aggressive media. Venables came from troubled family conditions, exhibited low self esteem and was temperamentally fragile. His difficult circumstances made him more vulnerable to the effects of media content, as discussed by Gunter (2008). It would be wrong to assume that violent media directly caused the boys to commit the crime as there was no direct proof and a range of other factors clearly had influence on the pair. Concluding Remarks It is difficult to show that media causes harm to young people and that a direct causal effect resulting in negative outcomes exists. The view that media has direct and powerful effects on audiences is more accepted by the general public than media effects scholars (Oliver Krakowiak 2009,p.517). Some researchers acknowledge that media violence can influence viewers but not in all circumstances, all audiences and not directly (Gunter 2008,p.1063). Media effects scholars such as Gunter, Gauntlett, Pieslack and McQuail disagree with direct causal effects. In researching media effects through experimentation, results compiled are questioned for their validity as research conducted in artificial environment can encourage unnatural participant responses. Aggressive behaviour cannot be solely blamed on violent media content as there are many other factors which influence an individual’s motives for being violent. As seen through the James Blumer case study, an individual’s mo tives, psychological makeup and social background can influence the level of power media has over them and disproves the idea of direct effects. Reference List Gauntlett, D 1998, ‘Ten Things Wrong with the Effects Model’, in R Dickinson, R Harindranath O Linne (ed.), Approaches to Audiences: A Reader, Arnold Publishers, London, pp.120-130 Gunter, B 2008, ‘Media Violence: Is There a Case for Causality?’, American Behavioural Scientist, vol. 51, no. 8, pp. 1061-1122 McQuail, Oliver, M Krakowiak, K 2009, ‘Individual Differences in Media Effects’, in J Bryant M Oliver (ed.), Media Effects: Advances in Theory and Research, Routledge, New York, pp. 517-531 Petty, R, Brinol, P Priester, J 2009, ‘Mass Media Attitude Change: Implications of the Elaboration Likelihood Model of Persuasion’, in J Bryant M Oliver (ed.), Media Effects: Advances in Theory and Research, Routledge, New York, pp. 517-531 Pieslack, J 2007, ‘Sound Targets: Music and the War in Iraq’, Journal of Musicological Research, vol.26, no. 2, pp. 129-149 Ruddock, A 2013, Youth and Media, SAGE Publications, London Sparks, G, Sparks, C Sparks, E 2009, ‘Media Violence’, in J Bryant M Oliver (ed.), Media Effects: Advances in Theory and Research, Routledge, New York, pp. 269-286