Study Bortner & Hultsch (1970): study US 1959
- Public
- 21+ aged, general public, USA, 1959
- Sample
- Respondents
- N = 1301
- Non Response
- 9%
- Assessment
-
Interview: face-to-face
Structured interview
Correlate
- Authors's Label
- Perceived improve- ment in nat. situat.during past 5 years
- Our Classification
-
-
- Operationalization
- Difference in ladder ratings: Evaluation of present national situation minus evaluation of national situation 5 years ago.