- Elderly, Sassenheim, the Netherlands, 1992
- N = 119
- Non Response:
Interview and additional questionnaires
- Authors's label
- Our Classification
- Selfreport on twelve items.
Typical item: "When I make plans, I am certain I can make them work."
Dutch version by Bosscher of the General self-efficacy scale.
Observed Relation with Happiness
negative affect = -.08 (ns)