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Correlational findings

Study VanHemert et al. (2002): study ZZ 1977

Public
Normal adults, general public, 30 countries, 1977-1997
Sample
Respondents
N = 333
Non Response
not reported
Assessment
Questionnaire: Paper & Pencil Interview (PAPI)

Correlate

Authors's Label
Extraversion vs introversion
Our Classification
Error Estimates
Crombach's alpa=.82
Remarks
Meta analysis of 333 samples in 38 countries with 68,374 respondents
Distribution
M=18.63
Operationalization
Extraversion scale of Eysenk Personal Questionnaire (1975 version)

Observed Relation with Happiness

Happiness Measure Statistics Elaboration / Remarks O-Sum-*-sq-vt-11-a r = +.29 ns Average happiness by average Extraversion in 38 nations