First-order theory of mind (ToM) development has shown to conform to a Guttman scale, with desire reasoning developing before belief reasoning. There have been attempts to test for internal consistency and scalability in advanced ToM, but not over a broad age range and only with a limited set of tasks. This 2-year longitudinal study (N = 155;…

This study evaluated the effectiveness of video modeling with a constant time delay procedure to teach social safety skills to three young women with intellectual disability. A multiple probe design across three social safety skills (responding to strangers who: requested personal information; requested money; and entered the participant's…

Fragile X syndrome (FXS) is a well-described inherited cause of intellectual disability and the most common known genetic cause of autism. Social deficits in girls with FXS are not well understood. To better understand barriers to social functioning that may contribute to mental health outcomes, we administered a theoretically based social…

This study investigated how children with autism spectrum disorders (ASD) make social judgments of social situations and provide justifications for their responses. Fifteen children with ASD and 15 typically developing children (ages from 9 to 13 years old) were presented with eight vignettes, based on the Dewey Story Test (Dewey, 1991) and…

The current study examined social cognitive skills in children with nonverbal learning disabilities (NLD) compared to normally achieving (NA) children. The relation between social cognitive skills and psychosocial adjustment was also investigated. There were no group differences on children's ability to represent orally presented social vignettes.…

The present study examined the understanding of emotional transfer in 11 children with autism, 20 children with PDD-NOS and 31 typically developing children, aged 6 to 12 years. Children were asked about their emotional responses to successive, conflicting emotional situations. All children reported that preceding emotional situations would…