The representativeness of behavioral observation samples with durations of less than the whole time of interest was investigated with five profoundly mentally retarded physically handicapped adults in an institutional setting. It was found that the session representativeness was a function of the relative duration of the behavioral categories and…

Computer-assisted observer training of 12 college students using interactive videotapes produced observational repertoires that accurately reflected a wide range of targeted events. Maintenance (thinning feedback) and nonmaintenance (no feedback) training generated equivalent degrees of observational accuracy. Data indicated the standard practice…

This study observed a classroom of 15 students (ages 3 to 11) with behavior disorders, using amount of teacher attention to generate hypotheses about problem behavior function which were then validated in individual functional assessments. For 14 of the students, accurate hypotheses were efficiently generated by noting how teachers distributed…

The Behaviors of Eating and Activity for Children's Health Evaluation System (BEACHES) codes direct observations of children's dietary and physical activity behaviors and associated environmental events, including physical location, antecedents, and consequences. The system's reliability and validity was assessed in a study of 42 children (ages…