A growing number of research groups are now including older minimally verbal individuals with autism spectrum disorder in their studies to encompass the full range of heterogeneity in the population. There are numerous barriers that prevent researchers from collecting high-quality data from these individuals, in part because of the challenging…

Describing the state of the science of ABA, this comprehensive handbook provides detailed information about theory, research, and intervention. The contributors are leading ABA authorities who present current best practices in behavioral assessment and demonstrate evidence-based strategies for supporting positive behaviors and reducing problem…

Three methods used in applied behavioral analysis research and appropriate for conducting a functional assessment of problem behavior in persons with mental retardation are described. They are informant assessment (e.g., behavioral interviews, rating scales, and questionnaires), direct observation assessment, and experimental analysis. (Author/DB)

Argues that this volume's Sanson, Prior, and Kyrios study on the overlap between measures of temperament and psychopathy is too narrowly framed. Maintains that there appears to be a pattern of linkage between specific early temperament scales and specific kinds of later behavior problems. (Author/BB)

The frequency of occurrence of targeted environmental events during both unstructured and structured descriptive analyses conducted with two children with severe mental retardation was compared. Results showed that procedural modifications employed during the structured descriptive analysis increased the frequency of occurrence for most targeted…

The parents of 64 children (ages 5 to 12) with attention deficit hyperactivity disorder (ADHD), other psychiatric diagnoses, and no history of school or home problems reported the frequency of their children's sleep disturbances in a 40-item questionnaire. Retrospective data were gathered by asking parents to report on the child's behaviors for…

This article explores psychometric characteristics of the Youth Risk Behavior Surveillance Survey (YRBS), one of the most widely used instruments to assess the prevalence of violent and other high-risk behaviors in secondary school settings. Response patterns were analyzed for a subset of 414 youths who indicated that they had carried a weapon to…