Effectiveness of Group Assertiveness Training on Creativity of Fifth Grade Students in Tonekabon City

The present study aimed to investigate the effectiveness of group assertiveness training on creativity 5thgrade students in Tonekabon City.
The current study was of semi-experimental and the kind of pretest-posttest with control group. The concerned community included all 5th grade students in Tonekabon in 2013-2014.The sample included 30 students selected by random multistage sampling method and were randomly divided into experiment and control groups. The instruments used in this study were form "B" Torrance Test of Creativity Scale.
Finding: Analysis of covariance showed that the two groups are statistically significant difference for all four dependent variables. Results of this study indicate that assertiveness training increases student's creativity.