Shahid Beheshti University Applied Psychology 2008-4331 19 1 2025 03 21 Presenting a Model for Predicting Depression Based on Childhood Trauma and Loneliness Mediated by Sluggish Cognitive Tempo in Students Presenting a Model for Predicting Depression Based on Childhood Trauma and Loneliness Mediated by Sluggish Cognitive Tempo in Students 221 242 105670 10.48308/apsy.2025.238037.1746 FA Zohre Naseri MA in Educational Psychology, Bakhtar Institute of Higher Education, Ilam, Iran. 0009-0005-4408-8715 Sajad Taherzadeh Ghahfarokhi Assistant Professor of Educational Psychology, Bakhtar Institute of Higher Education, Ilam, Iran 0000-0003-3635-1307 Journal Article 2024 12 23 Aim: The present study was conducted with the aim of developing a structural model for predicting depression based on childhood trauma and feelings of loneliness, with the mediating role of sluggish cognitive tempo in secondary school girls in Ilam City. Method: This descriptive-correlational research was based on structural equation modeling. The statistical population included all female students in the second year of high school in Ilam City during the 1402–1403 academic year (N = 4812). A sample of 357 students was selected using a multistage cluster sampling method. The main data collection tools included the Beck Depression Inventory (1966), Bernstein et al.'s Childhood Trauma Questionnaire (2003), Usher and Wheeler's Loneliness Questionnaire (1985), and Barkley's Sluggish Cognitive Tempo Scale (2011). Data analysis was conducted using structural equation modeling with AMOS and SPSS software. Results: The structural model predicting depression based on childhood trauma and feelings of loneliness, with the mediating role of sluggish cognitive tempo, showed a good fit among second-year female high school students in Ilam. Conclusion: The findings suggest that when childhood trauma and loneliness are accompanied by sluggish cognitive tempo, the likelihood of depression increases. In other words, sluggish cognitive tempo can serve as a mediating factor in the relationship between childhood trauma, loneliness, and depression in adolescents. Aim: The present study was conducted with the aim of developing a structural model for predicting depression based on childhood trauma and feelings of loneliness, with the mediating role of sluggish cognitive tempo in secondary school girls in Ilam City. Method: This descriptive-correlational research was based on structural equation modeling. The statistical population included all female students in the second year of high school in Ilam City during the 1402–1403 academic year (N = 4812). A sample of 357 students was selected using a multistage cluster sampling method. The main data collection tools included the Beck Depression Inventory (1966), Bernstein et al.'s Childhood Trauma Questionnaire (2003), Usher and Wheeler's Loneliness Questionnaire (1985), and Barkley's Sluggish Cognitive Tempo Scale (2011). Data analysis was conducted using structural equation modeling with AMOS and SPSS software. Results: The structural model predicting depression based on childhood trauma and feelings of loneliness, with the mediating role of sluggish cognitive tempo, showed a good fit among second-year female high school students in Ilam. Conclusion: The findings suggest that when childhood trauma and loneliness are accompanied by sluggish cognitive tempo, the likelihood of depression increases. In other words, sluggish cognitive tempo can serve as a mediating factor in the relationship between childhood trauma, loneliness, and depression in adolescents.

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