Study Bray & Howard (1980): study US 1956

Public

40+ aged, male managers, Bell Telephone Company, 1956-1976

Sample

Respondents

N = 422

Non Response

panel loss a t T5: 37%

Assessment

Rating by experts
Expert ratings based on various methods used in assesment center

Correlate

Authors's Label

Emotional stability/lack of nervousness

Our Classification

Operationalization

Guilford-Martin Inventory of Factors GAMIN-N scale.

This scale reflects on characteristics of a positive self-concept.
This scale in particular contains items reflecting lack of nervousness and possession of a steady temperament.

Assessed at T5.

Observed Relation with Happiness