The relationship between second‐order false belief and display rules reasoning: the integration of cognitive and affective social understanding

To investigate the relation between cognitive and affective social understanding, Japanese 4‐ to 8‐year‐olds received tasks of first‐ and second‐order false beliefs and prosocial and self‐presentational display rules. From 6 to 8 years, children comprehended display rules, as well as second‐order false belief, using social pressures justifications decreasingly and motivational justifications with embedded perspectives increasingly with age. Although not related to either type of display across ages, second‐order tasks were associated with both types of display tasks only at 8 years when examined in each age group. Results suggest that children base their second‐order theory of mind and display rules understanding on distinct reasoning until middle childhood, during which time the originally distinct aspects of social understanding are integrated.