- 21+ aged, general public, USA, 1959
- N = 1549
- Non Response:
- Authors's label
- Ability to do things oneself to increase satisfaction
- Our Classification
- Closed question rated on an 11-point self-anchoring scale: "To what extent do you feel there is a good deal you can do yourself to make your life hap- pier and more satisfying than it is, as contrasted to the feeling that there isn't very much you can do about it yourself?"