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Correlational findings

Study Evans & Huxley (2005): study GB 1999

Public
18-65 aged, differing in mental health, followed 2 years, UK, 1999-2001
Sample
Respondents
N = 1912
Non Response
Non-response at T1: 83% Drop-out at T2: 50%)
Assessment
Questionnaire: paper
Mailed questionnaires at T1 and T2

Correlate

Authors's Label
Change in quality of life
Our Classification
Remarks
Assessed at T1 and T2, 22 month interval
Distribution
M = 4,79; SD = 1,06
Operationalization
T1-T2 change in response to question: How do you feel about your life as a whole.....?
7  delighted
6  pleased
5  mostly satisfied
4  mixed
3  mostly dissatisfied
2  unhappy
1  terrible

Observed Relation with Happiness

Happiness Measure Statistics Elaboration / Remarks O-DT-u-sqt-v-7-a DM = - Ss in GOOD mental health
-T1 happiness     M=5,37  SD=0,86
-T2 happiness     M=5,12  SD=0,96
difference         -0.25 O-DT-u-sqt-v-7-a E² = +.06 O-DT-u-sqt-v-7-a DM = + Ss in MODERATE mental health (common mental disorder)
-T1 happiness     M=4,15  SD=1,26
-T2 happiness     M=4,25  SD=1,31
difference         +0.1 O-DT-u-sqt-v-7-a E² = +.01 O-DT-u-sqt-v-7-a DM = + Ss in BAD mental health (psychotic mental patients)
-T1 happiness     M=3,87  SD=1,44
-T2 happiness     M=4,44  SD=1,38
difference         +0.57 O-DT-u-sqt-v-7-a E² = +.10