Correlational finding on Happiness and Specific concerns
Subject code: C09ab02

StudyBachman et al. (1978): study US 1966
TitleYouth in Transition, Vol. VI. Adolescence to Adulthood. Change and Stability in the Lives of Young Men.
SourceInstitute for Social Research, 1978, University of Michigan, Ann Arbor, USA
PublicPublic highschool boys followed 8 years from grade 10, USA, 1966-74
Non-Response2.8% at T1, 17.2% at T2, 21.0% at T3, 28.9% at T4, 28.5% at T5
Respondents N =1628

Author's labelConcern about overpopulation
Our classificationSpecific concerns, code C09ab02
A mean of 6 items measuring respondent 's concern about 
overpopulation and his perception of what an ideal 
population size would be for the U.S. and for the 
world. Scale: 1.00 = low to 5.00 = high concern about 
overpopulation. Assessed at T4 and T5

Observed Relation with Happiness
O-HP-g-mq-v-5-atau=- ns
                Concern about overpopulation
Happiness       T4          T5
T1        tau = -.04        -.00
T2        tau = -.01        -.01
T3        tau = -.02        -.02
T4        tau = -.02        -.01
All tau's not significant
T1:1966, T2:1968, T3:1969, T4:1970, T5:1974

Appendix 1: Happiness measures used
CodeFull Text
O-HP-g-mq-v-5-aSelfreport on 6 questions:

" Describe the kind of person you are. Please read each sentence, then mark how often it is true for you"
1 I feel like smiling
2 I generally feel in good spirits
3 I feel happy
4 I am very satisfied with life
5 I find a good deal of happiness in life
6 I feel sad

Response options:
5 almost always true
4 often true
3 sometimes true
2 seldom true
1 never true

Summation: average
Possible range: 1 to 5

Appendix 2: Statistics used
tauGOODMAN & Kruskal's TAU
Type: descriptive statistic only.
Measurement level: Correlate: nominal, Happiness: ordinal
Range: [0; +1]

tau = 0 л knowledge of the correlate value does not improve the prediction quality of the happiness rating.
tau = 1 л knowledge of the correlate value enables a perfect (error-free) prediction of the happiness rating.
Ruut Veenhoven, World Database of Happiness, Collection of Correlational Findings, Erasmus University Rotterdam.