- Elderly, Sassenheim, the Netherlands, 1992
- N = 119
- Non Response:
Interview and additional questionnaires
- Authors's label
- internal health control
- Our Classification
- Selfreport on 6 items.
Typical item: "If I take good care of myself, I can prevent diseases."
Dutch version of Internal health locus of control scale.
Observed Relation with Happiness
negative affect = -.02