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Correlational findings

Study Michalos & Hatch (2020): study ZZ 2007

Public
18+ aged, general public, 105 nations, 2018
Survey name
INT-GallupWorldPoll2014
Sample
Respondents
N = 105
Non Response
Assessment
Interview: face-to-face

Correlate

Authors's Label
Human Development Index (HDI)
Our Classification
Remarks
Source: UNDP
Distribution
Mean: .715  SD: .162  N = 105 nations.
Operationalization
HDI-score is the geometric mean of
a-life expectancy at birth
b-education (expected years and mean years of schooling)
c-natural log of the per capita gross national-income.

Observed Relation with Happiness

Happiness Measure Statistics Elaboration / Remarks C-BW-c-sq-l-11-c r = +.83 HDI-score by AVERAGE Happiness Y-LC-l-sq-nt-100-a r = +.98 p < .01 Happy HDI by Happy Life Years in 105 nations.

Happy HDI = National HDI-score, multiplied by AVERAGE Happiness measured with C-BW-c-sq-l-11-c (contentment)