Chapter Two Literature review

2。1 The definition of group cooperative learning 

Group cooperative learning is started in the United States in the early 1970s,  gradually promoted and applied widely in the worldwide。 Many scholars think group cooperative learning is a creative and effective teaching method and teaching strategy。 Cooperative learning is a teaching method dominated by students rather than explicit teaching as a teaching strategy。 Specifically, group cooperative learning is made up of 4 to 6 students。 A class or a grade of students are pided into a number of optimization of the cooperation study group according to the result, ability, character, differences by their teachers。 It can achieve the promotion of the development of students’ subjectivity and the process of socialization through the teaching of social interaction, interdependence and mutual communication among students。