Correlational finding on Happiness and Purchasing power (`real' gnp pc)
Subject code: N04ab01b

StudyHagerty (2000): study ZZ Developed nations 1972
TitleSocial Comparison of Incomes in One's Community: Evidence from National Surveys of Income and Happiness.
SourceJournal of Personality and Social Psychology, 2000, Vol. 78, 764 - 771
PublicGeneral public, 8 developed countries, 1972-1994
SampleVaried Probability
Non-Response
Respondents N =120000

Correlate
Author's labelMean income
Page in Source 769
Our classificationPurchasing power (`real' gnp pc), code N04ab01b
Operationalization

Observed Relation with Happiness
Happiness
Measure
StatisticsElaboration/Remarks
O-Sum---sq-nt-11-aBeta=+.21 p < .01
AVERAGE happiness by GDP/pc

Beta controlled for:
- Country specific effects
- Income distribution


Appendix 1: Happiness measures used
CodeFull Text
O-Sum---sq-nt-11-aSelf report on single question:

Equivalent questions on happiness and life-satisfaction rated on various scales. The items differ slightly in wording and number of the response options.

Scores are transformed to a common range 0 - 10 by means of expert weighting of response options (Thurstone's method).


Appendix 2: Statistics used
SymbolExplanation
Beta STANDARDIZED REGRESSION COEFFICIENT by LEAST SQUARES (OLS)
Type: test statistic.

Measurement level: Correlates: all metric, Happiness: metric.
Range: [-1 ; +1]

Meaning:
beta > 0 a higher correlate level corresponds to a higher happiness rating on average.
beta < 0 a higher correlate level corresponds to a higher happiness rating on average.
beta = 0 no correlation.
beta = + 1 or -1 perfect correlation.
Source:
Ruut Veenhoven, World Database of Happiness, Collection of Correlational Findings, Erasmus University Rotterdam.
https://worlddatabaseofhappiness.eur.nl