List of Articles Open Access Article Abstract Page Full-Text 1 - Investigating the Role of Heredity and Environmental Factors in the Development of Cognitive and Affective Dimensions of the Theory of Mind by Comparing Ordinary 4-6-Year-Old Children, Identical and Non-Identical Twins and Orphaned Children Maryam Sedighi Majid Barzegar Maryam Kouroshnia Ghasem naziri 10.30495/jpmm.2024.32182.3819 Open Access Article Abstract Page Full-Text 2 - The Effectiveness of Emotion Regulation Training on Academic Engagement, Academic Stress and Academic Performance Solmaz Hashemi Khosroshahi Mansoure Haj hosseini Fatemeh Saeidi Seyyedeh Shaghayegh Hasanpour Darvishi 10.71952/jpmm.2025.1192309 Open Access Article Abstract Page Full-Text 3 - Determining the Mediating Role of Body Image Satisfaction in the Relationship Between Personality Traits and Self-Esteem in Adolescent Girls in Tehran Sahar Nazemian hosein ebrahimimoghadam مالک میرهاشمی 10.71952/jpmm.2025.1184840 Open Access Article Abstract Page Full-Text 4 - Psychometric Properties of Perth Emotion Regulation Competency Inventory fatemeh nejati فریده یوسفی 10.71952/jpmm.2025.1205148 Open Access Article Abstract Page Full-Text 5 - Structural relations of tendency to use drugs in adolescents: the mediating role of self-expression about problem-solving styles and tolerance of emotional distress نیلوفر میکاییلی Ali BeheshtiMotlagh gholamreza Sheikhzadeh 10.71952/jpmm.2025.1184318 Open Access Article Abstract Page Full-Text 6 - The Effectiveness of Psychological Resilience-Based Education on Self-Differentiation and Marital Instability of Betrayed Women Mohammad Cheshmberah Zahra Ghaderi 10.71905/jpmm.2025.1209990