美国当代著名教育家J·R·嘎斯基认为:“从本质上讲,合作学习是一种教学形式,它要求学生们在一些由2～6人组成的异质性小组中一起从事学习活动,共同完成教师分配的学习任务。在每个小组中,学生们通常从事于各种需要合作和相互支持的学习活动。”合作学习是目前在世界范围内被广泛使用的课堂教学组织形式。我国自90年代初期起,在课堂教学中开始引入小组活动,由此引发了对合作学习的探讨。 JG Garski, a famous contemporary American educator, argues that cooperative learning is essentially a form of teaching that requires students to work together in heterogeneous groups of two to six people Activities, to complete the teacher assigned learning tasks in each group, students are usually engaged in a variety of needs of cooperation and mutual support learning activities. "Cooperative learning is the world’s widely used classroom teaching organization . Since the early 1990s, our country started to introduce group activities in classroom teaching, which triggered the discussion of cooperative learning.