Abstract

The purpose of this study is to investigate the effectiveness of an assertiveness training
programme on adolescents’ assertiveness level. To select subjects for experimental and control groups, it was
considered some criteria such as “Rathus Assertiveness Schedule (RAS)” scores, voluntariness,
teachers’opinion, and permission of students’ parents. The data was collected through “Rathus Assertiveness
Schedule”. For the experimental group assertiveness enhancing programme as an independent variable was
carried out by the school counseller, during 50-70 minutes lasting 12 weeks. During this period the control group
did not receive any treatment. The ANCOVA analysis results have shown that assertiveness training program
was effective on adolescents’ assertiveness level. The results were discussed in the light of related literature.

Key words: Assertiveness training, adolescents, quasi experimental study