Study DeJong-Gierveld (1969): study NL 1965
- 30-55 aged, general public, Amsterdam, The Netherlands, 1965
- N = 600
- Non Response
Structured interview and low structured questionnaire at home.
- Authors's Label
- Number of married people among 4 closest friends
- Our Classification
- Related specification variables
- Direct questions.
Observed Relation with Happiness
Males : r = +.05
Females: r = +.09