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Correlational findings

Study Bachman et al. (1978): study US 1966

Public
Public highschool boys followed 8 years from grade 10, USA, 1966-74
Sample
Respondents
N = 1628
Non Response
2.8% at T1, 17.2% at T2, 21.0% at T3, 28.9% at T4, 28.5% at T5
Assessment
Multiple assesment methods
Interviews, tests and questionnaires

Correlate

Authors's Label
Number of siblings
Our Classification
Remarks
Sum of number of brothers and sisters
Operationalization
T1 number of sibblings
;
7 = 7 or more)

Observed Relation with Happiness

Happiness Measure Statistics Elaboration / Remarks O-HP-g-mq-v-5-a tau = +/- ns                      T1 number of sibblings
T1 happiness:        tau = +.00  (ns)
T2 happiness:        tau = -.03  (ns)
T3 happiness:        tau = -.01  (ns)
T4 happiness:        tau = -.03  (ns)

T1:1966, T2:1968, T3:1969, T4:1970