Correlational finding on Happiness and subject: Psychoticism in nation

StudyVeenhoven (2007f): study ZZ 1990
TitleQuality of Life in Nations. As Measured by How Long and Happy People Live.
SourceStam, J; Veenhoven, R.;Ed.:"Quality of Life & Happiness of People in Japan and The Netherlands", KIT Publishers, 2007, Amsterdam, The Netherlands, 16 - 31
URLhttp://hdl.handle.net/1765/12758
PublicAdults, general public, 96 nations, 1990s
SampleMixed samples
Non-Response
Respondents N =60000

Correlate
Author's labelPsychotism
Page in Source 8
Our classificationPsychoticism in nation
Operationalization
Self report on pesronality questionnaire (Eysenck 
P-score)
Remarks
Data: Lynn (1995) based on survey among university 
students

Observed Relation with Happiness
Happiness
Measure
StatisticsElaboration/Remarks
O-SLV-*-sq-nt-11-ar=-.18
Average happiness by average psychotism in 31 
nations


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

Equivalent questions on 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
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