Study Costa & McCrae (1980): study US 1976
- Public
- 35-85 aged white males (largely veterans), USA, 1976
- Sample
- Respondents
- N = 1100
- Non Response
- T1:21%; T2:18%; T3:27%; T4:46%
- Assessment
-
Questionnaire: Paper & Pencil Interview (PAPI)
Mailed questionnaire att intervals of 3 months
Correlate
- Authors's Label
- Sociability
- Our Classification
-
-
- Operationalization
- 5-item index from the EAST-III Tempera-
ment Survey (Buss & Plomin, 1975:241-242)
1. I make friends very quickly
2. I am very sociable
3. I tend to be shy (reverse)
4. I usually prefer to do things alone (reverse)
5. I have many friends
Observed Relation with Happiness
Correlations with hedonic level at:
T1: r = +.24 (001)
T2: r = +.29 (001)
T3: r = +.28 (001)
T4: r = +.23 (001)
Sum: r = +.32 (001)
PAS: r(mean) = +.23
NAS: r(mean) = -.17