摘 要通过查阅资料对目前合作学习中所存在的问题以及推行所遇到的困难进行分析,以教师交流、合适课题的选择为主对教学过程不断改进。在以霞浦十三中的初三全体学生为研究对象并了解学生的前提下,根据学生各方面情况进行分组进行合作学习有效性探究,精心设计讨论问题,营造轻松自由的学习环境,发散学生思维,凭借多元评价体系做为数据来源对比分析小组合作学习的实验成果。可发现教师积极参与到合作学习中,增强师生之间的互动性,重视对学生合作习惯的培养,组织趣味竞赛和试验以及通过反馈及时调整教学安排可有效提高学生合作学习的有效性。关键词:小组合作学习;初中化学;有效性;AbstractAnalyzing the problems and difficulties encountered in the implementation of collaborative learning by data mining, and continuously improving the teaching process based on teacher communication and appropriate selection of subjects. Cooperative learning, based on students' understanding, regarding all third and third grade students of Xiapu Middle School 13 will be studied as objects, and will be conducted according to various aspects of the students to explore their validity by group learning . Using a multiple scoring system as a data source to compare and analyze the experimental results of collaborative learning groups.It can be found that teachers actively participate in cooperative learning, enhance the interaction between teachers and students, pay attention to the cultivation of students 'cooperative habits, organize fun competitions and experiments, and timely adjust teaching arrangements through feedback can effectively improve the effectiveness of students' cooperative learning.Key words: Group cooperative learning;Junior high school chemistry;validity目 录1 引言.....................................................................................................................11.1 研究背景及意义.....................................................................