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Correlational findings

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
Error Estimates
Crombach alpha 0.63
Operationalization
Self report on 24 questions measuring sociability an impulsiveness
Eysenk Personality Inventory
(Items moet ik nog opzoeken)

Observed Relation with Happiness

Happiness Measure Statistics Elaboration / Remarks O-DT-u-sqt-v-9-a r = +.18 p < .05 1981 Extraversion by 1983 Happiness: raw r O-DT-u-sqt-v-9-a r = +.25 p < .05 1981 Extraversion by 1983 Happiness: disattenuated O-DT-u-sqt-v-9-a = Disattenuated correlation were obtained assuming validity coefficient of 0.63 for extraversion and 0.8 for happiness