Objective: This study aims to delineate the characteristics of severe self-injurious behaviors (SIB) in a cohort of children with autism and unspecified intellectual developmental disorder (UIDD) (intellectual disability) and examine potential risk factors for developing SIB. Methods: A retrospective chart review studied characteristics of severe…

Introduction: Although the Aberrant Behavior Checklist (ABC) is one of the most widely used behavioral rating scales among people with developmental disabilities, very few studies have examined the factor structure of the non-English versions. Methods: The construct validity of the Norwegian ABC was examined in a clinical sample of children and…

With the desegregation processes of services for people with intellectual disability (ID) that is taking place in most Western countries there is a need for more knowledge related to the prevalence of behavior problems among people living in community settings. This study investigates the prevalence of behavior problems among 140 adolescents and…

For comparison with ratings previously obtained in New Zealand, the study analyzed subscales of the Aberrant Behavior Checklist using 531 moderately and severely retarded subjects from a residential institution in the United States. Sex failed to influence subscale scores, whereas age, country, and severity of retardation significantly affected…