@article{ author = {Sedighi, Maryam, Barzegar, Majid, Kouroshnia, Maryam, naziri, Ghasem}, title = {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}, journal = {Psychological Models and Methods}, year = {2024}, volume = {16}, number = {1}, pages = {0-0}, doi = {10.30495/jpmm.2024.32182.3819} }