Correlational finding on Happiness and Current imprisonment
Subject code: P13ab

StudyPappot & Phaff (2004): study NL 2004
TitleGeluk onder Gedetineerden. (Happiness in Jail).
SourceResearch Paper University Amsterdam, Department of Psychology, 2004, Netherlands
URLHTTP://worlddatabaseofhappiness.eur.nl/hap_bib/freetexts/pappot_t_2004.pdf
PublicPrisoners and controls, The Netherlands, 2004
SampleNon-probability chunk sample
Non-Response40%
Respondents N =42

Correlate
Author's labelin prison
Page in Source Table 2
Our classificationCurrent imprisonment, code P13ab
Operationalization
1: controls 
2: prisoners
Observed distributionprisoners: N=16, controls: N=9

Observed Relation with Happiness
Happiness
Measure
StatisticsElaboration/Remarks
M-FH-g-sq-n-11-dDM=- p < .148
controls:  M=2.36
prisoners: M=1.59
A-ARE-m-sqr-n-11-aDM=- p < .000
controls:  M=1.73
prisoners: M=0.25

Personality was assessed but could not be 
controlled, due to limited cases. Differences 
between prisoners and controls were small, also 
with respect to age and etnical background.


Appendix 1: Happiness measures used
CodeFull Text
A-ARE-m-sqr-n-11-aSelfreport on single question, repeated 3 times a day during 10 days

How happy do you feel AT THIS MOMENT? Select the number which best describes your happiness. -5 is very unhappy, 0 is neutral, and 5 is very happy
- 5 very unhappy
-4
-3
-2
-1
0
1
2
3
4
5 very happy

Computation: recoded 0 to 10, where -5 is 0 and +5 is 10
M-FH-g-sq-n-11-dSelfreport on single question:

How happy do you feel IN GENERAL? Select the number which best describes your happiness. Very unhappy is -5 and very happy is 5
- 5 very unhappy
-4
-3
-2
-1
0
1
2
3
4
5 very happy

Computation: recoded 0 to 10, where -5 is 0 and +5 is 10


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