The nomological validity of the Type A personality among employed adults.

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Abstract
The nomological validity of the Type A behavior pattern was explored. The Structured Interview (SI) and a battery of personality trait, physical health, and strain measures were administered to an occupationally diverse sample of 568 workers. Ss were also monitored for physiological reactivity and recovery (blood pressure, heart rate, skin temperature, and electrodermal response) to the SI and a subsequent Stroop Color-Word Conflict Task. A confirmatory factor analysis demonstrated that SI scores can be factored into three distinct dimensions. There was considerable overlap in the patterns of personality traits that characterized the Type A components, but only a Hostility dimension was significantly related to physiological reactivity and recovery. The results have implications for distinguishing coronary-proneness from the more traditional Type A conceptualization.

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