- 50+ aged, whites followed 2,5 years, Kansas City, USA., 196?
- N = 177
- Non Response:
- Panel group: 16% refusal; 26% dropout after 4 interviews. Quasi panel: 17% dr.
4 interviews in a period of two and a half years.
- Authors's label
- Zest vs apathy
- Our Classification
- Content analysis of interview records by 2 independent judges (Component of Life Satisfaction Rating). LSR, (Neugarten et al 1961)