Most of the early failure to uncover a significant relationship between Type A behavior and heart disease occurred because
A) Type A is a collection of several behavioral tendencies only one of which may cause health problems.
B) Type A behavior caused heart disease in the past but not anymore.
C) the first studies that predicted heart attacks were lucky.
D) self-report inventories are unreliable.

Question

Quizplus · Accepted Answer

Most early studies only looked for a relationship between a single aspect of Type A behavior and heart disease, like competitiveness or hostility, rather than considering the full complexity of Type A behavior. It was later realized that Type A behavior is a combination of several behavioral tendencies, and it is likely the combination of these traits that increases the risk of heart disease.

Most of the Early Failure to Uncover a Significant Relationship