evaluation of role of personality (behavioral systems) in cognitive dissonance and related physiological components

objective: knowing about cognitive dissonance aspects and psychological components will be helpful not only in psychological field but also in commercial and political areas. therefore the aim of this study was evaluation of relation between personality and physiological components of cognitive dissonance.   method: 130 students of elmi-karbordi university of safadasht were invited and they were asked to complete gray-wilson personality questionnaire. before and after distributing those questionnaires, their physiological conditions were receded. cognitive dissonance was induced by writing about reducing amount of budget which deserved to orphans and rating the reduction of interest of lovely and popular character that ignore his or her fans. data analysis conducted through correlation and regression analysis.   results: increasing in flight and approach scores was related to decreasing cognitive dissonance scores and increasing in fight, extinction and active avoidance was related to increasing cognitive dissonance scores. also personality factors were able to predict physiological changes due to cognitive dissonance.   conclusion: personality traits are related to cognitive dissonance and its physiological components.