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| Comparative Analysis | 3 |
| Mental Age | 3 |
| Adolescents | 2 |
| Downs Syndrome | 2 |
| Adjustment (to Environment) | 1 |
| Adolescent Behavior | 1 |
| Affective Behavior | 1 |
| Age Differences | 1 |
| Autism | 1 |
| Child Behavior | 1 |
| Child Development | 1 |
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| Child Development | 3 |
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| Journal Articles | 3 |
| Reports - Research | 3 |
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Peer reviewedLoveland, Katherine A. – Child Development, 1987
Exploratory behaviors of Down Syndrome and nondelayed young children between the mental ages of 16 and 32 months were examined in four situations in which they tried to find things which they saw reflected in a mirror. Down Syndrome and nondelayed children differed in number, type, and frequency of exploratory behaviors. (PCB)
Descriptors: Child Development, Comparative Analysis, Downs Syndrome, Exploratory Behavior
Peer reviewedYirmiya, Nurit; And Others – Child Development, 1992
Examined empathy and conservation abilities of nonretarded children with autism and compared their performance to that of normally developing children. Autistic children performed surprising well, but not as well as normal children. There was a closer association between cognitive abilities and affective understanding among the autistic children…
Descriptors: Adolescents, Affective Behavior, Autism, Cognitive Ability
Peer reviewedEvans, David W.; Gray, F. Lee – Child Development, 2000
Examined the nature of repetitive, ritualistic, and compulsive-like behaviors in typically developing and children and individuals with Down Syndrome (DS), matched on mental age (MA). Found that that both groups showed similar MA-related changes in compulsive-like behaviors. Younger children showed more compulsive-like behaviors than older.…
Descriptors: Adjustment (to Environment), Adolescent Behavior, Adolescents, Age Differences
