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
- Self-confidence
- Our Classification
-
-
- Operationalization
- Closed question rated on an 11-point self-anchoring scale (Cantril ladder: see CANTR, 1965)