Sedighi, Maryam, Barzegar, Majid, Kouroshnia, Maryam, naziri, Ghasem. “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.” Psychological Models and Methods, vol. 16, no. 1, 2024, pp. 0-0. 10.30495/jpmm.2024.32182.3819