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Correlational findings

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
Mailed questionnaire att intervals of 3 months

Correlate

Authors's label
Extraversion
Our Classification
Operationalization
Eysenk (1964) Personality Inventory

Observed Relation with Happiness

Happiness Measure Statistics Elaboration / Remarks A-BB-cm-mq-v-2-b r = Both extraversion and hedonic level assessed at four times (three month intervals)
Correlations at:
T1: r = +.11  (01)
T2: r = +.15  (001)
T3: r = +.15  (01)
T4: r = +.22  (001)
PAS: r(mean) = +.20
NAS: r(mean) = -.04