Each time Charles, who has a lisp, says "Mithithippi" or the like, his wife, Evelyn, yells, "Idiot!" However, there is no evidence that Evelyn's efforts to reduce the frequency of such
Mispronunciations have been effective. We can therefore conclude that ______.
A) Charles's behavior is due to a neurological problem
B) Charles's behavior has not been punished
C) Evelyn's efforts to punish Charles's behavior have actually reinforced it
D) Charles is lisping deliberately to annoy Evelyn

Question

Quizplus · Accepted Answer

There is no evidence that Evelyn's yelling has reduced the frequency of Charles's mispronunciations, indicating that his behavior has not been effectively punished.

Each Time Charles, Who Has a Lisp, Says "Mithithippi" or the Like