Study Wassell (2015): study ZZ 1981

Public

30-60 aged, 4 western nations, 1981-2008, born before or after extension of maternity leave in nation

Survey name

INT-World Values Survey, pooled waves

Sample

Respondents

N = 5857

Non Response

Assessment

Interview: face-to-face

Correlate

Authors's Label

Income

Our Classification

Distribution

M=5,15   SD=2,36

Operationalization

Income rank in country in deciles

Observed Relation with Happiness