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Thompson, Thomas J.; Berkson, Gershon – American Journal of Mental Deficiency, 1985
In a study involving 101 severely developmentally disabled children (1-16 years old), stereotyped behaviors without objects was positively correlated with self-manipulation and chronological age and was negatively correlated with complex object manipulation, developmental age, developmental quotient, and teacher attention. Stereotyped behavior…
Descriptors: Age Differences, Behavior Patterns, Developmental Disabilities, Developmental Stages
Schultz, Theresa M.; Berkson, Gershon – American Journal on Mental Retardation, 1995
The relationship between abnormal stereotyped behaviors and abnormal focused affections was examined in 20 children (ages 7-13) with developmental disabilities. Results include all children with abnormal focused affections exhibited stereotypes; abnormal focused affects could be studied reliably in this population through several methodologies;…
Descriptors: Affective Behavior, Age Differences, Autism, Behavior Patterns
Berkson, Gershon; And Others – American Journal on Mental Retardation, 1995
Relative prevalence of stereotyped behaviors was studied with 246 children and adults with developmental disabilities. Two staff members completed a 54-item checklist assessing stereotyped behaviors, abnormal focused affections, compulsions, rigidity, savant skills, and defensiveness. Factor analyses produced weak evidence for a general stereotypy…
Descriptors: Adults, Behavior Patterns, Children, Classification