- 18+ aged, general public, Dunedin, New Zealand, 198?
- N = 112
- Non Response:
Administered at home
- Authors's label
- Felt usefull
- Our Classification
- Single direct question how one felt during the instrcted time period (or otherwise in the past few weeks):
"How often have you felt usefull?"
Rated on a 5-point sclae ranging from
'not at all' to 'all the time'