Descriptor
| Environmental Influences | 1 |
| Exceptional Child Research | 1 |
| Institutionalized Persons | 1 |
| Mental Retardation | 1 |
| Therapeutic Environment | 1 |
| Vacation Programs | 1 |
| Vacations | 1 |
Source
| Mental Retardation | 1 |
Author
| Balla, David | 1 |
| Zigler, Edward | 1 |
Publication Type
Education Level
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Laws, Policies, & Programs
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What Works Clearinghouse Rating
Peer reviewedBalla, David; Zigler, Edward – Mental Retardation, 1971
Descriptors: Environmental Influences, Exceptional Child Research, Institutionalized Persons, Mental Retardation
