Comparison of the Efficacy of Three Methods of Cooperative Learning on Social Skills in Second Grade Female Students

This study compared the efficacy of three methods of cooperative learning (Student Teams Achievement Divisions - Jigsaw- Learning Together) on social skills in second grade (Junior High School) female students who were studying in third region of Tabriz city the sample consisted of 97 students in four classes which were selected by random multi-stage cluster sampling method; three classes as experimental groups and one class as control group. during the eight sessions, each experimental group followed one of the methods of cooperative learning and the control group followed the current teaching method. to gathering data, the scale of matson evaluation of social skills with youngsters in two stages, before and after the sessions, and to data analyzsis anova and tukey were used based on the findings of this study in comparison of the efficacy of three methods of cooperative learning on social skills, none of the differences between the means of experimental groups was not significant. in comparison the mean scores of experimental groups with the control group, the mean difference between the experimental groups A (Student Teams Achievement Divisions) and B (Jigsaw) with the control group, respectively, at the level of )0.01( and )0.05( are significant. but the mean difference between the experimental group C (Learning Together) and control group at any of these levels is not significant. In other words, the results showed there is difference between of these three methods to effect on social skills