- 30-55 aged, general public, Amsterdam, The Netherlands, 1965
- N = 600
- Non Response:
Structured interview and low structured questionnaire at home.
- Authors's label
- Our Classification
- 6-item index of statements on feeling lonely, nobody cares for you, difficulty in making lasting contacts, coping with things alone, hard to find real friends, alone in the world.
Observed Relation with Happiness
Marrieds : G' = -.36 (01)
Never marrieds: G' = -.50 (01)