Study Headey & Krause (1994): study AU 1981
- Public
- 18-65 aged, general public, Victoria, Australia, followed from 1981 to 1989
- Sample
- Respondents
- N = 502
- Non Response
- Assessment
-
Interview: face-to-face
Face-to-face interviews at T1, T2, T3. Mailed questionnaire at T4
Correlate
- Authors's Label
- Extraversion
- Our Classification
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- Error Estimates
- Crombach alpha 0.63
- Operationalization
- Self report on 24 questions measuring sociability an impulsiveness
Eysenk Personality Inventory
(Items moet ik nog opzoeken)