Study Bortner & Hultsch (1970): study US 1959
- 21+ aged, general public, USA, 1959
- N = 1301
- Non Response
- Authors's Label
- Our Classification
- Closed question rated on an 11-point self-anchoring scale (Cantril ladder: see CANTR 1965): "To what extent do you feel there is a good deal uou can do for yourself to make your life happier and more satisfying than it is, as contrasted to the feeling that there isn't much you can do about it yourself?"