The development of theory of mind (ToM) in infancy has been mainly documented through studies conducted on a single age group with a single task. Very few studies have examined ToM abilities other than false belief, and very few studies have used a within-subjects design. During 2 testing sessions, infants aged 14 and 18 months old were…

Social-emotional comprehension includes the ability to encode, interpret, and reason about social-emotional information. The better developed children's social-emotional comprehension, the more positive their social interactions and the better their peer relationships. Many clinical tools exist to assess children's social behavior. In contrast,…