The effect of assertiveness training on self-esteem, social anxiety and definitiveness in students

The aim of this study was to investigate the effect of assertiveness training on self-esteem, social anxiety and definitiveness in ten grade high school girl students. The sample consisted of 42 students who were selected by multistage cluster sampling method. And were in two experimental groups (21 students) and control group (21 students). Instruments included self-expression scale (ASA), self-esteem scale and the social anxiety scale. The pre-test was administered to both groups, and then experimental group received 10 sessions of 90 minutes assertiveness training every week. One week after training the test was taken again by both groups. The data are analyzed using a multivariable and one-variable covariance assay. Data analyzed by (MANCOVA) and (ANCOVA). Results showed that assertiveness training causes increasing of self-esteem, reduction of social anxiety and increasing of students’ definitiveness.