Estimates of the probability that an event will happen based on the ease with which instances of the event can be brought to mind reflect the

The most commonly reported to the least commonly reported disorders in the United States are

a) anxiety disorders, alcohol or drug use/dependence, depressive disorders b) alcohol or drug use/dependence, depressive disorders, anxiety disorders c) depressive disorders, depressive disorders, alcohol or drug use/dependence d) anxiety disorders, depressive disorders, alcohol or drug use/dependence

Though many people suffering from depression report that

they were treated harshly by their parents during childhood, it is possible that this was not, in fact, the case. Another explanation is that people suffering from depression experience memory distortions of their childhood, where negative themes predominate. This demonstrates the importance of A) ruling out rival hypotheses. B) correlation versus causation. C) replicability. D) Hume's dictum.