Correlational finding on Happiness and subject: Response scale

StudyVanBeuningen et al. (2014): study NL 2012 /2
TitleMeasuring Well-Being. An Analysis of Different Response Scales.
SourceDiscussion Paper 2014/03,, Statistics Netherlands, 2014, The Hague, The Netherlands
Public18+ aged, general public, Netherlands, 2012
SampleProbability sample (unspecified)
Non-Response
Respondents N =7641

Correlate
Author's labelResponse scale: happiness
Page in Source 9
Our classificationResponse scale
Operationalization
Answers to same question on happiness: 
To what extend do you consider yourself a happy person?

Anwers rated in 2 sub-samples on different response 
scales:

Sample A: 5-step verbal response scale
    -  very happy
    -  happy
    -  neither happy nor unhappy
    -  not that happy
    -  unhappy

Sample B: 11 step numerical scale
    10  very happy
     :
    0   very unhappy
Remarks
Samples A and B obtained by split-half and hence 
otherwise identical

Observed Relation with Happiness
Happiness
Measure
StatisticsElaboration/Remarks
O-HP-u-sq-v-5-aD%=83.3
% happy
- on scale A: score 'happy'or very happy 83,3%
O-HP-u-sq-n-11-aD%=94.7
- on scale B: score 6 or more           94,7%
              score 7 or more           89,0%

Using these cut-off points, the % happy is lower 
on the 5 step verbal scale


Appendix 1: Happiness measures used
CodeFull Text
O-HP-u-sq-n-11-aSelfreport on single question:

On a scale of 0 to 10 I consider myself...
0 not a very happy person
1
2
3
4
5
6
7
8
9
10 a very happy person
O-HP-u-sq-v-5-aSelfreport on single question

To what extent do you consider yourself a happy person....?
5 very happy
4 happy
3 neither happy nor unhappy
2 not very happy
1 unhappy


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.
Source:
Ruut Veenhoven, World Database of Happiness, Collection of Correlational Findings, Erasmus University Rotterdam.
https://worlddatabaseofhappiness.eur.nl