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 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 enthusiasm, 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