Correlational finding on Happiness and subject: Ever migrated or not

StudyVeenhoven (1994c): study XZ Germany West 1982
TitleIs Happiness a Trait? Test of the Theory that a Better Society does not Make People any Happier.
SourceSocial Indicators Research, 1994, Vol. 32, 101 - 160
URLhttp://hdl.handle.net/1765/16155
DOIDOI:10.1007/BF01078732
PublicImmigrants, West Germany, 1982
SampleProbability sample (unspecified)
Non-Response
Respondents N =770

Correlate
Author's labelCounty of settlement vs country of origin
Page in Source 143
Our classificationEver migrated or not
Operationalization
0 = general population
1 = migrant
Remarks
Average general population taken from German Welfare 
Survey (Wohlfahrtsurvey 2), 1980

Observed Relation with Happiness
Happiness
Measure
StatisticsElaboration/Remarks
O-SLW-c-sq-n-11-dDM=-
General population   M = 7.7
Migrants from
 - Greece            M = 7.2
 - Italy             M = 6.9
 - Spain             M = 7.1
 - Turkey            M = 6.2
 - Yugoslavia        M = 7.1


Appendix 1: Happiness measures used
CodeFull Text
O-SLW-c-sq-n-11-dSelfreport on single question:

Taking all things together, how satisfied are you with your life these days? Please answer with the help of this scale. For instance, when you are totally satisfied with your life, please tick '10'. When you are totally unsatisfied with your life, please tick '0'. You may use all values in between to indicate that you are neither totally satisfied nor totally unsatisfied."
10 totally satisfied
9
8
7
6
5
4
3
2
1
0 totally unsatisfied


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