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Correlational findings

Study Langeveld et al. (1999): study NL 1997

Public:
12-18 aged headache patients, The Netherlands, 1997
Sample:
Respondents:
N = 64
Non Response:
15%
Assessment:
Multiple methods
Questionnaire and diary

Correlate

Authors's label
Trait negative affectivity (NA)
Our Classification
Operationalization

Observed Relation with Happiness

Happiness Measure Statistics Elaboration / Remarks O-SLW-?-sq-ol-101-a r = -.31 p < .05 O-SLW-?-sq-ol-101-a Beta = -23 ns