Correlational finding on Happiness and Number of children
Subject code: C03ab01

StudyDeVoe & Pfeffer (2009): study US 1987
TitleWhen Is Happiness About How Much You Earn? The Effect of Hourly Payment on the Money-Happiness Connection.
SourcePersonality and Social Psychology Bulliten, 2009, Vol. 12, 1602 - 1618
DOIDOI:10.1177/0146167209346304
PublicWorking people, USA, 1987 - 1988
SampleProbability stratified sample
Non-Response
Respondents N =13007

Correlate
Author's labelNumber of children
Page in Source 1609
Our classificationNumber of children, code C03ab01
Operationalization
Self report on single question on number of household 
children
Precise text not presented
Observed distributionM = 1.03, SD = 1.17

Observed Relation with Happiness
Happiness
Measure
StatisticsElaboration/Remarks
O-HL-c-sq-n-7-br=-.01 ns


Appendix 1: Happiness measures used
CodeFull Text
O-HL-c-sq-n-7-bSelfreport on single question:

Next are some questions about how you see yourself and your life. Taking all things together, how would you say things are these days?
1 very unhappy
2
3
4
5
6
7 very happy


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.
http://worlddatabaseofhappiness.eur.nl