Which variable has more power to predict terrifying dreams? Rumination, temperament, attachment styles, or family relations?

Introduction: The present study aims at explaining and analyzing the relationship between the variables of rumination, temperament, attachment styles, and family relations and the occurrence of terrifying dreams in university students. Materials and Methods: The study used a descriptive quantitative correlational research method. The statistical population of the study consisted of all the students of Islamic Azad Universityof Isfahan (Khorasgan Branch) from which 180 students were selected randomly through cluster sampling method. To collect data, questionnaires including the Inventory of Terrifying Dreams (Yousefi), the Inventory of Rumination (Yousefi), Positive and Negative Affect Schedule-Expanded Form (PANAS-X), the Inventory of Attachment Styles (Armesden and Greenberg), and the Inventory of Family Relations (Olson and Barnes), were used. Data analyzed through Pearson coefficient, regression analysis by SPSS software, version 21. Results: The results of the study revealed that the variables of rumination, the insecure attachment toward the father, and negative affect had a significant positive relationship with terrifying dreams. On the other hand, There was a significant negative relationship between family relations and the occurrence of terrifying dreams (P<0.05). Moreover, rumination and the insecure attachment toward the father were able to predict terrifying dreams (P<0.05). Conclusion: Regarding the results, changes in the states of rumination, the insecure attachment toward the father, and negative affect will change the occurrence of terrifying dreams.