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Correlational findings

Study Langeveld (1998): study NL 1993

Public:
12-18 aged migraine patients and controls, followed 26 months, The Netherlands, 199?
Sample:
Respondents:
N = 159
Non Response:
at T0: 4%
Assessment:
Questionnaire: paper

Correlate

Authors's label
Quality of Life at different times - interrate correlations
Our Classification
Operationalization
Parent's rating of child's happiness

Observed Relation with Happiness

Happiness Measure Statistics Elaboration / Remarks O-SLW-cw-sq-ol-11-a r = +.33 p < .000 T0 happiness by T1 happiness O-SLW-cw-sq-ol-11-a r = +.34 p < .000 T0 happiness by T2 happiness O-SLW-cw-sq-ol-11-a r = +.31 p < .000 T0 happiness by T3 happiness O-SLW-cw-sq-ol-11-a r = +.31 p < .000 T0 happiness by T4 happiness