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Correlational findings

Study Langeveld (1998): study NL 1992 /1

Public
12-18 aged, chronic headache patients, The Netherlands, 199?
Sample
Respondents
N = 64
Non Response
50%
Assessment
Multiple assesment methods
Questionnaire and diary

Correlate

Authors's Label
Psychological Functioning
Our Classification
Remarks
Items based in the State-Trait Anxiety Inventory-Youth (STAI-Y, Dutch translation), the Dutch translation of the Profile of Mood States (POMS), the "Depressie Vragenlijst voor Kinderen (DVK: Dutch Depression Questionnaire for Children and 10 positively stated items which had an antonym content similar to a number of (negatively stated) DKV items
Operationalization
Self report on questionaire. Questions not reported

Observed Relation with Happiness

Happiness Measure Statistics Elaboration / Remarks O-SLW-cw-sq-ol-11-a r = +.74 p < .001