Study Bartram (2013): study ZZ Europe 2008

Public

15+ aged general public, Europe, 2008-2011

Survey name

EU-ESS 4-5: 2008-2010

Sample

Respondents

N = 42380

Non Response

Assessment

Interview: face-to-face

Correlate

Authors's Label

Age

Our Classification

Distribution

M=47.1

Operationalization

a) Age in years
b) Age squared

Observed Relation with Happiness