Descriptor
| Age Differences | 1 |
| Cognitive Development | 1 |
| Conservation (Concept) | 1 |
| Developmental Stages | 1 |
| Handicapped Children | 1 |
| Intelligence Differences | 1 |
| Mental Retardation | 1 |
| Research | 1 |
| Sex Differences | 1 |
Source
| Journal of Genetic Psychology | 1 |
Author
| Lesser, Harvey | 1 |
Publication Type
Education Level
Audience
Location
Laws, Policies, & Programs
Assessments and Surveys
What Works Clearinghouse Rating
Peer reviewedLesser, Harvey; And Others – Journal of Genetic Psychology, 1978
Compared the performance of 29 institutionalized cultural-familial mental retardates on Piagetian conservation tasks. Examined the effects of age, sex, and degree of retardation on conservation performance. (BD)
Descriptors: Age Differences, Cognitive Development, Conservation (Concept), Developmental Stages
