The researchers had worked on self-efficacy theory in studying different aspects of individual and social life of adults and announced that self-efficacy is related to most behavior, thought and motivational behaviors. The aim of the current study was to investigate the relationship between secure attachment styles and legislative, judging and executive thinking styles with self-efficacy of high school girl students in Hamadan . Participants were 340 students from high schools. Some girl students were chosen randomly according clusters method. Descriptive statistics and correlation matrix, multivariable regression, and t-test analyze were used to data analysis. Result from the multivariable regression analysis procedures showed that each of predicting styles had a contribution in predicting criterion variable. In addition, results indicated that girls with secure attachment styles were self-efficient. In addition Students with legislative thinking style were less self-efficient than student who use judging and executive thinking style. The findings of this research are not in consistent with Sternberg's predations based on which increasing legislative and judging thinking style in students in the U.S.A. The reason of this inconsistency refers to this fact that in our society, legislative and judging thinking styles are not encouraged while it is executive thinking style which is reinforced.
