print

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
Happiness
Our Classification
Operationalization
Six item index of closed questions:
"Describe the kind of person you are:
1 I feel like smiling
2 I generally feel in good spirits
3 I feel happy
4 I am satisfied with my life
5 I find a good deal of happiness in   life
6 I feel sad"
Scored: Almost always true,often true, sometimes true, seldon true, never true

Assessed at:
T1 Fall 1966
T2 Spring 1968
T3 Spring 1969
T4 Spring 1970

Observed Relation with Happiness

Happiness Measure Statistics Elaboration / Remarks O-HP-g-mq-v-5-a r = +.54 p < .001 T1-T2  1.5 yr O-HP-g-mq-v-5-a r = +.45 p < .001 T1-T3  2.5 yr O-HP-g-mq-v-5-a r = +.43 p < .001 T1-T4  3.5 yr
O-HP-g-mq-v-5-a r = +.64 p < .001 T2-T3  1   yr O-HP-g-mq-v-5-a r = +.53 p < .001 T2-T4  1   yr O-HP-g-mq-v-5-a r = +.54 p < .001 T3-T4  1   yr

Attenuated overtime correlations:
O-HP-g-mq-v-5-a r = +.75 p < .001 T1-T2 O-HP-g-mq-v-5-a r = +.84 T2-T3 O-HP-g-mq-v-5-a r = +.89 p < .001 T3-T4

Estimated yearly stability:
O-HP-g-mq-v-5-a r = +.84 p < .001 T1-T2 O-HP-g-mq-v-5-a r = +.84 p < .001 T2-T3 O-HP-g-mq-v-5-a r = +.89 p < .001 T3-T4