The purpose of this study were 1) to identify the effects of the self-efficacy, sensation seeking and delinquency on female adolescents' clothing behavior, and 2) to identify the differences in self-efficacy, sensation seeking, deliquency and clothing behavior in relation to the demographic variables. The data were collected from 435 high school girls living in Seoul, via a self-administered questionnaires, and were analyzed by factor analysis, Peason's correlation, multiple regression, one-way ANOVA and SNK test. The result of this study were as follows: As the result of analyzing the effects of self-efficacy, efficacy, sensating seeking and delinquency on each of clothing behavior variables, fashion leadership was explained by the factors such as social self-efficacy, delinquency and boredom susceptibility, and psychological clothing dependence by boredom susceptibility, social self-efficacy, and thrill and adventure, clothing exhibition by boredom susceptibility, delinquency, and general self-efficacy, social approval by boredom susceptibility, and general self-efficacy, preference for up-to-data style by delinquency, boredom susceptibility by delinquency, boredom susceptibility. There were significant differences between the two types of school in general self-efficacy, thrill and adventure, experience seeking, delinquency, preference for up-to-data style, and appearance related delinquency. Location of school had the effects on experience seeking, delinquency, fashion leadership, and appearance related delinquency, and socioeconomic status on fashion leadership.