- Mentally retarded males, hospital, USA, 196?
- N = 149
- Non Response:
Structured interview, analysis of hospital records, and staff ratings.
- Authors's label
- Our Classification
- Number of choices made in answering 3 open-ended questions:
- who do you like?
- who are your friends?
- who do you play with?
Observed Relation with Happiness
Closed ward: r = +.04 (ns)