Correlational finding on Happiness and Standard of living in the nation
Subject code: N04ac

StudyNg et al. (2009): study ZZ World samples 2005
TitleAffluence, Feelings of Stress, and Well-Being.
SourceSocial Indicators Research, 2009, Vol. 94, 257 - 271
DOIDOI:10.1007/s11205-008-9422-5
Public15+ aged, general public, 121 nations, 2005-2006
SampleProbability sample (unspecified)
Non-Response
Respondents N =125077

Correlate
Author's labelRich countries ( vs poor)
Page in Source 265
Our classificationStandard of living in the nation, code N04ac
Operationalization
Index of:
A: average household income of all respondents within 
the same nation.
B: The GDP ( Purchasing Power Parity) data of each 
nation, obtained from the World Bank.
C: Percentage of people in a nation who possesses 
modern conviences.
D: Percentage of people in a nation who could not meet 
their basic needs.
E: Life expectancy at birth.

Splitt up into
1 poor nations
2 rich nations
Remarks
Wealth of nation is measured by the survey itself and 
an independent source.
The per capita GDP (Purchasing Power Parity) data of 
each nation was obtained from the World Bank.

Observed Relation with Happiness
Happiness
Measure
StatisticsElaboration/Remarks
C-BW-c-sq-l-11-cDM=+
AVERAGE happiness by AVERAGE standard of living in 
121 nations

Rich countries M = 6.71
Poor countries M = 4.64
- difference=     +2.07
C-BW-c-sq-l-11-cDM=+


Appendix 1: Happiness measures used
CodeFull Text
C-BW-c-sq-l-11-cSelfreport on single question:

Here is ladder representing the 'ladder of life'. Let's suppose the top of the ladder represents the best possible life for you; and the bottom, the worst possible life for you. On which step of the ladder do you feel you personally stand at the present time?
10 best possible
9
8
7
6
5
4
3
2
1
0 worst possible life

This question was followed (not preceded) by items on life 5 years ago and 5 years from now.


Appendix 2: Statistics used
SymbolExplanation
DMDIFFERENCE of MEANS
Type: descriptive statistic only.
Measurement level: Correlate: dichotomous, Happiness: metric
Range: depending on the happiness rating scale of the author; range symmetric about zero.

Meaning: the difference of the mean happiness, as measured on the author's rating scale, between the two correlate levels.
Source:
Ruut Veenhoven, World Database of Happiness, Collection of Correlational Findings, Erasmus University Rotterdam.
https://worlddatabaseofhappiness.eur.nl