Friedman Et Al

Friedman et al. (1986) found that after three years of cardiac counselling implemented through the Recurrent Coronary Prevention Project, patients showed

A) an increase in the amount of type A behaviour.
B) no change in the amount of type A behaviour.
C) half as many occurrences of cardiac events as controls.
D) no difference from controls in the occurrences of cardiac events.
E) half as many occurrences of cardiac events as controls, but also no reduction in measured Type A behaviour.