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Correlational findings

Study Bachman et al. (1978): study US 1966 /1

Public:
Public highschool boys followed 8 years from grade 10, USA, 1966-74
Sample:
Respondents:
N = 2213
Non Response:
2.8% at T1, 17.2% at T2, 21.0% at T3, 28.9% at T4, 28.5% at T5
Assessment:
Interview: face-to-face
Interviews, tests and questionnaires

Correlate

Authors's label
Internal control
Our Classification
Operationalization
A mean of items adapted from the Rotter internality scale (see Rotter, 1966)
Scale: 1.00 = low to 2.00 = high internal control. Assessed at T1, T2, T3 and T4

Observed Relation with Happiness

Happiness Measure Statistics Elaboration / Remarks O-HP-g-mq-v-5-a tau = + s              Internal control
Happiness    T1        T2        T3        T4
T1     tau = +.21      +.14      +.14      +.13
T2     tau = +.12 (01) +.21      +.19      +.19
T3     tau = +.10 (01) +.14      +.23      +.20
T4     tau = +.13      +.15      +.21      +.28
All tau's significant with (001) unless indicated otherwise
T1:1966, T2:1968, T3:1969, T4:1970