The aim of present research was determine the modeling of self-regulation based on cognitive flexibility with mediated role of psychological hardiness in students. Methodology: The present study was descriptive, correlational type. The research population was all secondary high school students of Tehran city in academic years of 2019-20, which from them 499 students were selected by step cluster sampling method. Data were collected by self-regulation questionnaire (Bouffard & et al, 1995), cognitive flexibility inventory (Dennis & Vander Wal, 2010) and psychological hardiness scale (Lang & Goulet, 2003) and analyzed by structural equation modeling method in SPSS-22 and Amos-21 software. Findings: The findings showed that the model of self-regulation based on cognitive flexibility with mediated role of psychological hardiness in students had a good fit. Also, cognitive flexibility on psychological hardiness and psychological hardiness on selfregulation had significant direct effect (P<0.001), while cognitive flexibility on self-regulation had not significant direct effect (P>0.05). In Addition, cognitive flexibility with mediated of psychological hardiness on self-regulation had significant indirect effect (P=0.009). Conclusion:Regarded to the results, school counselors and psychologists can via increasing cognitive flexibility and psychological hardiness directly and indirectly led to improve selfregulation of students.

No abstract

Introduction:The present study aimed at studying the effect of mindfulness-based cognitive therapy on the locus of control and achievement motivation in students with learning problems.Methods: This research method is a semi-experimental with pretest-posttest and control group design. The population was all Tehran's first restrict middle school girl students. Research samples consisted of 30 students who selected to participate in the study according to the convenience judgmental sampling method. After taking identical test of Rotter's Locus of Control Scale, Herman's achievement motivation questionnaire (HAMQ), and Colorado Learning Difficulties Questionnaire (CLDQ), Participants were then divided randomly into experimental and control groups (each group=15). The eexperimental group received mindfulness-based cognitive therapy of 20 sessions, but control group did not receive any intervention. Follow-up assessment performed three months after ending sessions. Data was analyzed through covariance analysis (ANCOVA). Results: Research findings indicated that mindfulness-based cognitive therapy changes the locus of control from external to internal. mindfulness-based cognitive therapy is an effective method to enhance internal locus of control and self-esteem. Besides, findings indicated that Mindfulness-Based Cognitive Therapy increases achievement motivation. This intervention method was also an effective method to enhance achievement motivation. Conclusion: Research results suggest that trainers, teachers, and psychologists administer these intervention methods for personal and educational improvement in the learning of disabled students.