The Early Start Denver Model (ESDM) has been gaining popularity as a comprehensive treatment model for children ages 12 to 60 months with autism spectrum disorders (ASD). This article evaluates the research on the ESDM through an analysis of study design and purpose; child participants; setting, intervention agents, and context; density and…

A multiple baseline design across participants was used to examine the effects of a portable video modeling intervention delivered in the natural environment on the verbal compliments and compliment gestures demonstrated by five children with autism. Participants were observed playing kickball with peers and adults. In baseline, participants…

This study examined the effectiveness of a Verbal Query Intervention (VQI) procedure in decreasing motor and vocal stereotypy in four elementary students with autism. The VQI procedure involved the presentation of behavior-related questions that the students were required to respond to in an appropriate fashion. An ABC multiple-baseline across…

To address methodological challenges in research on psychosocial interventions for autism spectrum disorder (ASD), a model was developed for systematically validating and disseminating interventions in a sequence of steps. First, initial efficacy studies are conducted to establish interventions as promising. Next, promising interventions are…

This article describes several features important in the success of using a behavioral model when treating individuals with autism and presents remaining issues to be addressed for improving treatment effectiveness. It urges future research to include strict empirical designs that allow for sound inferences regarding the parameters of treatment…