Children in ethnically diverse classrooms and those with cross-ethnic friendships excel at understanding others' minds.

This study examined the link between classroom ethnic diversity, cross-ethnic friendships, and children's theory of mind. In total, 730 children in the United Kingdom (54.7% girls, 51.

Machine learning and deep learning systems for automated measurement of "advanced" theory of mind: Reliability and validity in children and adolescents.

Understanding individual differences in theory of mind (ToM; the ability to attribute mental states to others) in middle childhood and adolescence hinges on the availability of robust and scalable measures. Open-ended response tasks yield valid indicators of ToM but are labor intensive and difficult to compare across studies. We examined the reliability and validity of new machine learning and deep learning neural network automated scoring systems for measuring ToM in children and adolescents.