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 2
Early research found that Type A behavior was related to an increased likelihood of developing coronary disease. More recent research has
A. replicated this finding consistently.
B. sometimes replicated this finding, but other times has not.
C. found no evidence of health differences between Type As and Type Bs.
D. found the risk of developing coronary disease in Type As to be even greater than originally estimated.