Correlational finding on Happiness and subject: Moment of the interview

StudyCavalcanti et al. (2009): study ZZ 2005
TitleIs Brazil the Land of Happiness? A comparative Study Using a Sample with conomics Students from UFPE and purdue.
SourceBrazilian Review of Econometrics, 2009, Vol. 29, 17 - 35
URLhttp://bibliotecadigital.fgv.br/ojs/index.php/bre/article/viewArticle/2694
PublicUniversity students, Brazil and United States, 2005-2006
SampleNon-probability purposive sample
Non-Response
Respondents N =185

Correlate
Author's labelSeason of the year
Page in Source 20
Our classificationMoment of the interview
Operationalization
Season of the year the questionnaires were applied:
a Fall
b Spring

Observed Relation with Happiness
Happiness
Measure
StatisticsElaboration/Remarks
O-HL-u-sq-v-3-dDM=0.0
No statistical difference in well-being was found 
among students in the fall and in the spring.


Appendix 1: Happiness measures used
CodeFull Text
O-HL-u-sq-v-3-dSelfreport on single question:

Are you happy?
1 I am not happy
2 I am pretty happy
3 I am very happy


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