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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
Peer reviewed Peer reviewed
Hanzlik, Jodie Redditi; Stevenson, Marguerite B. – American Journal of Mental Deficiency, 1986
Analysis of free play interaction between 40 mothers and their mentally retarded, retarded cerebral palsied, and nonretarded infants revealed that mothers of both groups of developmentally disabled (DD) infants were more directive than mothers of nonretarded infants. DD infants were more compliant and demonstrated lower levels of behavior and less…
Descriptors: Behavior Patterns, Developmental Disabilities, Infants, Interaction