Correlational finding on Happiness and Feeling down (vs not)
Subject code: M14ac04b

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 labelDepression on individual land nation evel
Page in Source 264
Our classificationFeeling down (vs not), code M14ac04b
Operationalization
Selfreport on single question. 
Did you experience these feeling a lot in the previous 
day?
Depression

Rated:
1: yes
0: no

Observed Relation with Happiness
Happiness
Measure
StatisticsElaboration/Remarks
C-BW-c-sq-l-11-cr=-.17 p < .001
Individual level: Individual happiness by 
individual depression
C-BW-c-sq-l-11-cr=-.40
Nation level: AVERAGE happiness by % depressed


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
rPRODUCT-MOMENT CORRELATION COEFFICIENT (Also "Pearson's correlation coefficient' or simply 'correlation coefficient')
Type: test statistic.
Measurement level: Correlate: metric, Happiness: metric
Range: [-1; +1]

Meaning:
r = 0 no correlation ,
r = 1 perfect correlation, where high correlate values correspond with high happiness values, and
r = -1 perfect correlation, where high correlate values correspond with low happiness values.
Source:
Ruut Veenhoven, World Database of Happiness, Collection of Correlational Findings, Erasmus University Rotterdam.
https://worlddatabaseofhappiness.eur.nl