Correlational finding on Happiness and School-success
Subject code: S01ac02

StudyOECD (2017): study RU 2015
TitlePISA 2015 Results. Students' Well-Being. Volume III.
SourceOECD Publishing, 2017, Paris, France
URLhttp://www.oecd-ilibrary.org/education/pisa-2015-results-volume-iii_9789264273856-en
Public15-16 aged, secundary school students, Russia, 2017
SampleProbability multi-stage random
Non-Response
Respondents N =6036

Correlate
Author's labelSchool performance in reading
Page in Source Table III.3.3b, Annex B3, p.514
Our classificationSchool-success, code S01ac02
Operationalization
Reading performance, for PISA, measures the capacity to 
understand, use and reflect on written texts in order 
to achieve goals, develop knowledge and potential, and 
participate in society. The mean score is the measure.
Observed distributionDeciles and quartiles

Observed Relation with Happiness
Happiness
Measure
StatisticsElaboration/Remarks
C-BW-c-sq-l-11-eDM=- p < .05
Score decile        Mean Happiness
1                       7,99
2                       7,90
3                       7,87
4                       7,73
5                       7,83
6                       7,77
7                       7,74
8                       7,68
9                       7,64
10                      7,47

Difference 10-1:       -0,52
C-BW-c-sq-l-11-eDM=- p < .05
Score quarter        Mean Happiness
Bottom                  7,92
Second                  7,80
Third                   7,73
Top                     7,58
                       
Difference Top-Bottom: -0,34


Appendix 1: Happiness measures used
CodeFull Text
C-BW-c-sq-l-11-eSelfreport on single question:

Here is a picture of a ladder. The top of the ladder '10' represents the best possible life for you and the bottom '0' is the worst possible life for you. In general , where on the ladder do you feel you stand at the moment? Tick the box next to the number that best describes where you stand
10 best possible
9
8
7
6
5
4
3
2
1
0 worst possible life


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