Research suggests that individuals with autism spectrum disorder (ASD) have significant difficulties with adaptive behavior skills including daily living and functional communication skills. Few studies have examined the developmental trajectory of adaptive behavior across childhood and adolescence. The present study examined longitudinal…

We explored possible cognitive, behavioral, emotional, and physiological risk markers for sleep disturbance in children with autism spectrum disorders. Data from 1,583 children in the Autism Treatment Network were analyzed. Approximately 45 potential predictors were analyzed using hierarchical regression modeling. As medication could confound…

Reports the results of a multiple regression analysis conducted to determine, in a group of three- to six-year-old children, the magnitude of IQ variance accounted for by physical growth variables and socioeconomic status indicators. (RH)

Traditional measures of intelligence frequently yield low scores when applied to disadvantaged subjects. This study tests whether similar findings would result from measures of developmental behavior. Accordingly, the developmental behavior of 159 culturally disadvantaged children (85 boys, 74 girls) was assessed by systematic interviewing of…

This special issue of the "Courrier," a journal for professionals concerned with issues related to the physical and psychological development of children, provides (1) an overview of 25 years of internationally coordinated research, (2) a selection of papers published by the research teams, and (3) a description of the teams and their…