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Correlational findings

Study DiTella & MacCulloch (2006): study US 1975

Public:
Adults, general public, USA, 1975-1997
Sample:
Respondents:
N = 25000
Non Response:
Assessment:
Interview: face-to-face

Correlate

Authors's label
GDP per Capita
Our Classification
Operationalization
Real GDP per Capita measured in 1990 U.S. Dollars

Observed Relation with Happiness

Happiness Measure Statistics Elaboration / Remarks O-HL-c-sq-v-3-aa DM = 0 ns AVERAGE HAPPINESS and AVERAGE INCOME over 20 years.