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%
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Rater instruction:"To what extent is this person occupied with self-interest with little or no concern for others?"
Assessed at T5.
Observed Relation with Happiness
Later analysis of full study-group also showed a significantly negative correlation (BRAY 1983: 303)