- Mentally retarded males, hospital, USA, 196?
- N = 149
- Non Response:
Structured interview, analysis of hospital records, and staff ratings.
- Authors's label
- Physical strength
- Our Classification
- Rating by staff members on a 7-point scale ranging from 'physically weak' to 'physically strong'.
Observed Relation with Happiness
Closed ward: r = -.04 (ns)