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(v) Group self-assessment—Each team must regularly evaluate wheather their learning situation is good and think how to improve the effectiveness of learning.
2.2.2 Models of Cooperative Learning
Some famous educators also put forward several models of CL:
(i) Group performance pision mode. This mode is a CL method studied out and developed by the US Johns Hopkins University. In the United States, it is a widely used type of CL. Its central objective is to emphasize the teaching goal - simple declarative knowledge which has objective answer. In implementation, different levels, gender, nationality students were pided into several study groups. After teacher presents a subject, students in their respective groups learn the main content and master certain skills together. In this process, team members will learn from each other to ensure that each member will master the teaching content. Then, each students independently participate in the traditional quiz. Before learning, teachers prepare in terms of objectives, mastery degree, expected results and so on. Test scores are based on personal test scores and group improved performance test scores. The test is tested once a week and inpidual points can be alerted after the test.来`自^751论*文-网www.751com.cn
(ii) Championship mode. Team Championship game mode is also proposed by the Slaven. It is different from the previous model that its evaluation method is not tests, but once a week "championship". The Panel composed of three persons, each member of the group can integrate points. Low achievement scores groups match with other groups and good results groups compete with other high scores groups. A better team will receive a certificate or other form of reward. For justness, the group will be changed once a week.
(iii) Puzzle mode. The model proposed by the Arnold Johnson is actually a form of learning organization, which is not completely related to the content and nature of learning, and it is widely applied for it is easy and simple to learn and practice. This mode’s general requirement is a group of 4 to 5 people. A group studies a specific task, job or plan. Team members learn from each other in terms of resources, information and learning tasks. Each team member in a particular area will become an "expert" studying with other groups' similar experts and then go back to themselves group to teach other members. This form of cooperation requires that each member of the group should take certain learning tasks. The whole learning task completion depends on the co-operation of each member. Only every member earnestly fulfill their learning tasks, can this group study tasks be all carried out. Teachers must give students a clear pision of tasks and guidance. This model evaluates students depending on student's inpidual progress.