Theory of mind (ToM) skills involve young children's mentalizing ability to be aware of their own selves and other individuals' thoughts, beliefs, desires, and intentions (mental states). The social cognition skills are essential for processing complex social relations and overcoming interpersonal difficulties in communication. Previous studies…

In recent years, chess training is offered as a compulsory elective course in some pre-schools, whereas it is not offered in some other pre-schools. There are children who attend chess clubs outside of schools. Chess is considered to be a game of intelligence, and its effects on individuals have been the subject of many researches. This study was…

It has been argued that children who possess an advanced theory of mind (ToM) are more likely to act prosocially, yet the empirical findings are mixed. To address this issue definitively, a meta-analytic integration of all prior literature that met appropriate inclusion criteria was conducted. In total, 76 studies including 6,432 children between…