Study Adams (1997): study US 1980
- Public
- Black Americans, USA, followed from 1980 to 1992
- Sample
- Respondents
- N = 623
- Non Response
- T1: 32%; T2: 19%; T3: 17%; T4:17%
- Assessment
-
Interview: face-to-face
T1: face to face interviews; T2,T3,T4: telephone interviews
Correlate
- Authors's Label
- Happiness
- Our Classification
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-
- Error Estimates
- Overtime correlation: T1-T2: r=+.34; T1-T3: r=+.24; T1-T4: r=+.29
- Remarks
- Assessed at: T1:1980; T2:1987; T3:1989; T4:1992
- Distribution
-
General Life Satisfaction: Happiness
T1: M=3.08; N=620; T1: M=2.19; N=615
T2: M=3.20; N=613; T2: M=2.07; N=616
T3: M=3.24; N=621; T3: M=2.09; N=619
T4: M=3.21; N=621; T4: M=2.07; N=617 - Operationalization
- Selfreport on single question:
How happy are you these days?
Response options not reported