عنوان مقاله [English]
Procrastination is one of the effective variablesin students' educational performance, therefore making it necessary to study it thoroughly. This study aims to investigate the effectiveness of cognitive-behavioral trainings in decreasing high school students'. This research employed a semi-experimental design with pre-test, post-test and control group. To fulfill 34 first year high school students were selected through cluster sampling method and were randomly placed in experimental and control groups in a way that one of the two regions was randomly selected and one school was also selected among the schools of that region. The experimental group received Cognitive-Behavior Training in 8 sessions, whereas the control group received no training. The research measurement instruments were consisted of Solomon and Rathblum (1984).The gathered data were analyzed through ANCOVA. The findings proved the hypothesis that the cognitive-behavioral training was effective in reducing procrastination .Results of the research also will help counselors to reduce students, procrastination via trainings based on cognitive-behavioral theories.