An archival study was conducted to document (a) types of challenging behavior, and (b) functional assessment outcomes, for a sample of persons with developmental disabilities who were referred to community-practicing behavior analysts for assessment and treatment of challenging behavior. Functional assessment reports, prepared by 17 behavior…

This study examined socially appropriate and destructive behavior in unconstrained natural environments using a matching law analysis (MLA) of real time observational data. The participants were two school-age children and one adult with mild to moderate cognitive disabilities. Event lagged sequential analysis (SQA) provided the obtained rates 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…