Effective treatment of challenging behaviors in young children with autism spectrum disorder requires identifying consequences that maintain the behavior under specific environmental circumstances. Assessment strategies help to identify environmental factors setting the occasion for the behaviors to continue to occur. Many studies have used…

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…

This article describes the use of measures of functional assessment of essential activities in self-care, mobility, communication, and social cognition in preschool children. An overview of functional assessment is provided, and psychometric properties of the various tests are described. Case studies illustrate the value of using functional…