- Mentally retarded males, hospital, USA, 196?
- N = 149
- Non Response:
Structured interview, analysis of hospital records, and staff ratings.
- Authors's label
- Our Classification
- Ratings by 2 experienced staff members on a 7-point scale, ranging from 'talks unintelligible' to 'talks well'.
Observed Relation with Happiness
Closed ward: r = -.08 (ns)