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Correlational findings

Study Sheldon & Lyubomirsky (2006a): study US 2001

Public
Psychology students, USA, followed 12 weeks, 200?
Sample
Respondents
N = 669
Non Response
Assessment
Questionnaire: Paper & Pencil Interview (PAPI)

Correlate

Authors's Label
Activity change
Our Classification
Remarks
Assessed at T2 T1: at beginning of semester T2: 6 weeks later T3: 12 weeks later
Distribution
Mean = 3.39, SD = 1.08
Operationalization
Selfreport of change in activity over last 6 weeks on a 5-point-scale ranging from 1 (no positive change) to 5 (much positive change)

Observed Relation with Happiness

Happiness Measure Statistics Elaboration / Remarks M-AO-m-mq-v-5-a DM = M-AO-m-mq-v-5-a Beta = +.12 p < .01 T1-T2 retrospective change in activity by T2 happiness M-AO-m-mq-v-5-a Beta = +.12 p < .01 T1-T2 retrospective change in activity by T3 happiness

Beta's controlled for
- T1 happiness (indicating change in happiness)
- retrospective T1-T2 change in circumstances