The current study examined the effectiveness of an experimental functional analysis for assessing the functions of emergent vocal-verbal behavior in children with developmental disabilities. Experiment 1 consisted of a systematic replication of Lerman et al. (2005). Participants were 3 children with developmental disabilities, between the ages of…

Autism is a developmental disability that manifests as impairment in three primary areas: social interaction, communication and imaginative activities, and reactions to environmental stimuli. The appearance of autism spectrum disorder ranges from children who are very low functioning, nonverbal, stimulus seeking, aggressive, antisocial, and…

Approximately 400,000 preschool children have a major neurodevelopmental disorder impacting on mobility, cognitive-adaptive, or communicative skills. As many as 1 in 3 children live at psychosocial disadvantage because of poverty, parental mental illness or substance misuse, or low parental educational (i.e. less than high school). In the past…