Study Costa & McCrae (1980): study US 1965
- Public:
- 25-75 aged white males (largely veterans), followed 10 years, USA, 1965-76
- Sample:
- Respondents:
- N = 234
- Non Response:
- Assessment:
-
Questionnaire: paper
Mailed questionnaires at ten years interval
Correlate
- Authors's label
- Extraversion
- Our Classification
-
-
- Operationalization
- Cattell (1973) Sixteen Personality Factor Questionnaire
Assessed at T1 (10 years ago)
Observed Relation with Happiness
NAS: r = +.03 ns
PAS: r = +.23 (001)