Correlational finding on Happiness and subject: Optimism in nation

StudyBaltatescu (2010): study ZZ Eastern Europe 2001
TitleA Success Story? Happiness in the New Post-Communist EU Member States
SourceAvailable at SSRN: https://ssrn.com/abstract=1957010
URLhttp://dx.doi.org/10.2139/ssrn.1957010
DOIdoi:/10.2139/ssrn.1957010
Public15+ aged general public, Eastern European countries 2001-2008
SampleProbability multistage stratified area sample
Non-Response
Respondents N =80000

Correlate
Author's labelOptimism
Our classificationOptimism in nation
Operationalization
What are your expectations for the next twelve months: 
will the next twelve months be better,
worse or the same, when it comes to...? Life 
satisfaction 2006 (Better, vs. Worse or The same)

Observed Relation with Happiness
Happiness
Measure
StatisticsElaboration/Remarks
O-SLW-u-sq-v-4-bBeta=+.13
AVERAGE life satisfaction by AVERAGE optimism in 
12 East European nations 2006 

Beta controlled for:
- GDP 2005 
- AVERAGE satisfaction with democracy 2006
Set Image size:   



Appendix 1: Happiness measures used
CodeFull Text
O-SLW-u-sq-v-4-bSelfreport on single question;

On the whole, how satisfied are you with your life in general?
Would you say you are..
4 very satisfied
3 fairly satisfied
2 not very satisfied
1 not at all satisfied


Appendix 2: Statistics used
SymbolExplanation
BetaSTANDARDIZED REGRESSION COEFFICIENT by LEAST SQUARES (OLS)
Type: test statistic.

Measurement level: Correlates: all metric, Happiness: metric.
Range: [-1 ; +1]

Meaning:
beta > 0 a higher correlate level corresponds to a higher happiness rating on average.
beta < 0 a higher correlate level corresponds to a higher happiness rating on average.
beta = 0 no correlation.
beta = + 1 or -1 perfect correlation.
Source:
Ruut Veenhoven, World Database of Happiness, Collection of Correlational Findings, Erasmus University Rotterdam.
https://worlddatabaseofhappiness.eur.nl