fa سوء مصرف و وابستگي به مواد Substance abuse and dependence پژوهشي Original Research Article <p style="text-align: justify;"><strong>Objective: </strong>This research aimed to investigate the relationship of family affective climate, self-effectiveness, and personal-social adjustment variables with academic achievement of university students in Islamic Azad University, Ahvaz branch, Ahvaz, Iran.&nbsp;<br> <strong>Methods: </strong>The research sample included 300 individuals (150 females and 150 males) who were selected through random stratified sampling method. California personal-social adjustment, Scherer and Adams self-effectiveness, and family&rsquo;s affective climate questionnaires were administered to collect the data. Correlation coefficient and linear regression analysis were used for analyzing the data.<br> <strong>Results:</strong> The results of the data analysis indicated that there is a significant relationship between variables of family&rsquo;s affective climate, personal and social adjustment, and self-effectiveness with academic achievement of students (P<0.001). Furthermore, the results of linear regression analysis indicated that the variables of self-effectiveness, personal and social adjustment, and family&rsquo;s affective climate were significant predictors of academic achievement.<br> <strong>Conclusion: </strong>Improving student&rsquo;s self-effectiveness, personal-social adjustment, and family&rsquo;s affective climate may have positive influences on their academic achievement.&nbsp;</p> Family relations, Self-efficacy, Social adjustment, Educational status 167 172 http://jpcp.uswr.ac.ir/browse.php?a_code=A-10-155-7&slc_lang=fa&sid=1 Sahar Safarzadeh safarzadeh1152@yahoo.com Yes Department of Psychology, Ahvaz Branch, Islamic Azad University, Ahvaz, Iran.