Study Bray & Howard (1980): study US 1956
- 40+ aged, male managers, Bell Telephone Company, 1956-1976
- N = 422
- Non Response
- panel loss a t T5: 37%
Rating by experts
Expert ratings based on various methods used in assesment center
- Authors's Label
- Earlier emotional stability
- Our Classification
- Guilford-Martin Inventory of Factors GAMIN-N scale,
This inventory reflects on characteristics of a positive self-concept.
This sub-scale in particular contains items reflecting lack of nervousness and possession of a steady temperament.
Assessed at T1 (20 years before T5).
Observed Relation with Happiness
Later analysis of full study-group show also a significantly positive correlation. (BRAY 1983: 302).