False belief understanding goes to school: On the social-emotional consequences of coming early or late to a first theory of mind

Abstract This research report describes a search for possible relations between children's developing theories of mind and aspects of their social-emotional maturity conducted by comparing the performance of 3-year-olds on measures of false belief understanding with teacher ratings of certain of their social-emotional skills and behaviours. The intuitions guiding this exploratory effort were, not only that a working grasp of the possibility of false belief would prove broadly predictive of social-emotional maturity, but also that such associations would be missing in the specific case of those preschool behaviours largely governed by a simple mastery of social conventions. As a step toward evaluating these possibilities a group of 40 preschoolers were given a battery of six measures of false belief understanding. The preschool teachers of these same children then completed a 40-item questionnaire covering a wide variety of markers of social-emotional maturity. Half of these items (termed “Intentional”) fe...