Correlational finding on Happiness and subject: Sex (male vs female)

StudyOECD (2017): study CO 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, Colombia, 2017
SampleProbability multi-stage random
Non-Response
Respondents N =11795

Correlate
Author's labelGender
Page in Source Table III.3.2,p278 + 286-7
Our classificationSex (male vs female)
Operationalization
1 boys
0 girls

Observed Relation with Happiness
Happiness
Measure
StatisticsElaboration/Remarks
C-BW-c-sq-l-11-eDM=+/-
boys:             M = 8,08
girls:            M = 7,71
-difference:         +0,37(.05)

Happiness score
Rating  All   Boys  Girls  B-G dif.
0-4     10,1   8,5  11,1   -3,1(ns)
5-6     13,0  11,3  14,5   -3,2(.05)
7-8     26,0  25,9  26,2   -0,3(ns)
9-10    50,8  54,3  47,7   +6,6(.05)


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