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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 methods
Interviews, tests and questionnaires

Correlate

Authors's label
Number of hours of homework
Our Classification
Operationalization
Simple direct question at T1, T2 and T3: "About how many hours do you spend in an average week on all your homework including both in and out of school?"
1 =       no hours; 2 =  1 to  4 hours;
3 =  5 to  9 hours; 4 = 10 to 14 hours;
5 = 15 to 19 hours; 6 = 20 to 24 hours;
7 = 25 or more hours

Observed Relation with Happiness

Happiness Measure Statistics Elaboration / Remarks O-HP-g-mq-v-5-a tau = +             Number of hours of homework
Happiness   T1            T2            T3
T1      +.07 (ns)     +.05 (ns)     +.07 (ns)
T2      +.03 (ns)     +.06 (ns)     +.06 (ns)
T3      +.02 (ns)     +.01 (ns)     +.10 (01)
T4      +.02 (ns)     -.00 (ns)     +.04 (ns)
T1:1966, T2:1968, T3:1969, T4:1970