Study Sigelman (1981): study US 1974
- Public
- 18+ aged, general public, USA, 1974-76
- Sample
- Respondents
- N = 2650
- Non Response
- Assessment
-
Interview: face-to-face
Highly structured
Correlate
- Authors's Label
- Family income
- Our Classification
-
-
- Operationalization
Observed Relation with Happiness
ß hardly decreases when intelligence (IQ) is also controled.