Cross-lagged panel analysis was used to examine associations between two joint engagement variables; higher order supported joint engagement and higher order supported joint engagement that co-occurs with caregiver's follow-in talk (higher order supported joint engagement + follow-in), and expressive and receptive vocabulary in a group of young…

The purpose of this study was to investigate the effects of peer intervention on the social interactions of children with autism spectrum disorder (ASD). In this model, a speech-language pathologist and three early childhood educators trained typically developing peers to engage children with ASD in play. Three preschool children with ASD and six…

Down Syndrome children exhibit language delays, particularly in expressive abilities, more severe than would be anticipated from their cognitive level alone. This research project sought to develop a procedure for introducing total communication into the home environment of prelinguistic Down Syndrome infants and for comparing the relative…