تاثیر آموزش مهارتهای والیبال و حل مساله بر خودکارآمدی دختران نوجوان

the purpose of this research was to determine the effect of volleyball skills training and problem solving on adolescent girls self-efficacy. the research method was semi-experimental and conducted in as pre-test and post-test with four experimental groups.the research statistical population consisted of all first grade students of broujen high schools in the academic year of 2009-2010(1388-89s.c.). the research sample included 60 junior high school students who were chosen by two-stage sampling and were assigned to four groups(n=15) of teaching volleyball based on problem solving technique, teaching volleyball, teaching problem solving, and control. after taking self-efficacy pre- test, the students of interventional groups took part in 90-minutes training program for 10 sessions. data were gathered by self-efficacy scale(sherer ,1982) . analysis of covariance(ancova), analysis of variance(anova) and tukey post hoc tests were used to analyze the data . results indicated that there were significant differences in the effect of teaching volleyball and problem solving on adolescent girls self efficacy between the four groups(f (3,54) =25.89, p=0.001). generally, the results reveal that the mixed program caused further improvement of students self-efficacy.