Correlational finding on Happiness and Parents wealth
Subject code: F01ag04

StudyOECD (2017): study PE 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, Peru, 2017
SampleProbability multi-stage random
Non-Response
Respondents N =6971

Correlate
Author's labelFamily wealth
Page in Source 251-2 +Table III.10.3, p.418-9
Our classificationParents wealth, code F01ag04
Operationalization
Student report of availability at home of: 
a: link to internet
b: room of their own
c: number of televisions
d: number of cars
e: rooms with a bath or shower
f:  smartphones
g: computers (desktop, portable laptop or notebook)
h: tablet computers
i: e-book readers
Observed distributionquartiles
Remarks
countries added three specific household items that 
were seen as appropriate measures of family wealth in 
the country's context

Observed Relation with Happiness
Happiness
Measure
StatisticsElaboration/Remarks
C-BW-c-sq-l-11-eD%=- p < .05
Percentages by national quarter of family wealth
                Very happy(9+10)  Unhappy(0-4)
4 most wealthy      38,3%          10,8%
3                   39,4%          11,8%
2                   45,8%          13,7%
1 least wealthy     47,8%          14,9%

4-1 difference      -9,5%          -4,1%
C-BW-c-sq-l-11-eDM=- ns
Average happiness by national quarter of family 
wealth
4 most wealthy     M = 7,47
3                  M = 7,48
2                  M = 7,54
1 least wealthy    M = 7.52

4-1 difference        -0,06


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
D%DIFFERENCE in PERCENTAGES
Type: descriptive statistic only.
Measurement level: Correlate level: dichotomous, but nominal or ordinal theoretically possible as well. Happiness level: dichotomous
Range: [-100; +100]

Meaning: the difference of the percentages happy people at two correlate levels.
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