Study Veenhoven (1994c): study ZZ Western nations 1940

Public

Various panels, followed 1 to 40 years, 1940-1990

Sample

Respondents

N = 0

Non Response

Assessment

Interview: face-to-face
mostly

Correlate

Authors's Label

timespan in years

Our Classification

Remarks

Meta-analysis of findings drawn from this database. Detail about stidies on appendix 1 of the paper

Operationalization

Various measures of happiness, assessed repeatedly over time

Observed Relation with Happiness