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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
Psychological function
Our Classification
Operationalization
Students who reported four time a day on a 5 point Likert scale
0: no headache
1: headache I am only aware of it
2: Headache I can ignore it
3: Headache I can't ignore it but can do usely activities
4: Headache It's diffelcult to conncetrate me
5: Hedache I can't do anything

Observed Relation with Happiness

Happiness Measure Statistics Elaboration / Remarks O-SLW-?-sq-ol-101-a r = -.74 p < .001