Correlational finding on Happiness and Current age (in years)
Subject code: A04ab

StudyAndrews (1991): study US 1980
TitleStability and Change in Levels and Structure of Subjective Well-Being: USA 1972 and 1988.
SourceSocial Indicators Research, 1991, Vol. 25, 1 - 30
DOIDOI: 10.1007/BF00727649
PublicAdults, general public, USA, 1972-1988
Sample
Non-Response
Respondents N =2985

Correlate
Author's labelAge cohort
Page in Source 22-23
Our classificationCurrent age (in years), code A04ab
Operationalization
born in:          age 1972     age 1988 1958-1970       
                 18-30 1948-1957           15-24        
31-40 1938-1947           25-34        41-50
1928-1937           35-44        51-60
1918-1927           45-54        61-70
1908-1917           55-64        71-80

Observed Relation with Happiness
Happiness
Measure
StatisticsElaboration/Remarks
O-DT-u-sqt-v-7-aDMt=+
age cohort   mean happiness (Ms')  change (DMt')
               1972      1988      1972-1988
1958-1970                8.0
1948-1957      7.5       8.0          +0.5
1938-1947      7.5       8.0          +0.5
1928-1937      7.5       7.7          +0.2
1918-1927      7.2       8.0          +0.8
1908-1917      7.5       8.0          +0.5
Happiness scores rated on 1-7 point scale. 
Means transformed to 0-10 scale (Ms')


Appendix 1: Happiness measures used
CodeFull Text
O-DT-u-sqt-v-7-aSelfreport on single question, asked twice in interview:

How do you feel about your life as a whole......?
7 delighted
6 pleased
5 mostly satisfied
4 mixed
3 mostly dissatisfied
2 unhappy
1 terrible

Summation: arithmetic mean

Name: Andrews & Withey's "Delighted-Terrible Scale" (original version)
Also known as Lehman's 'Global lifesatisfaction'


Appendix 2: Statistics used
SymbolExplanation
DMtDIFFERENCE of MEANS AFTER TRANSFORMATION
Type: descriptive statistic only.
Measurement level: Correlate: dichotomous, Happiness: metric
Theoretical range: [-10; +10]

Meaning: the difference of the mean happiness (happiness measured at a 0-10 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