Study Headey & Veenhoven (1989): study AU AU Victoria 1981
- 18-65 aged, general public, followed 6 years, Melbourne, Australia, 1981-87
- N = 649
- Non Response
- Attrition T1-T4: 31%
- Interview: face-to-face
- Authors's Label
- Satisfaction with friends
- Our Classification
- Index of two identical questions asked at the beginning and the end of the interview (20 minute interval). Rated on a 9-point scale ranging from terrible (1) to delightfull (9). Assessed at T1 (1981), T2 (1983),
T3 (1985) and T4 (1987).
Observed Relation with Happiness
Effect assessed at T1, T2, T3 and T4.
Effects assumed to be identical at all times.
ßL is the path-coefficient in a four wave LISREL model. T1 sex, age, SES, extraversion and neuroticism are controlled.