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Correlational findings

Study Veenhoven (2005): study ZZ 1990

Public:
Adults, general public, 67 nations, 1990s
Sample:
Respondents:
N = 100000
Non Response:
Assessment:
Interview: face-to-face

Correlate

Authors's label
Trend in happy life years 1948-1998
Our Classification
Operationalization

Observed Relation with Happiness

Happiness Measure Statistics Elaboration / Remarks Y-LH-l-sq-nt-100-a = Happy life years in the USA 1948-1988