Kristine Gives Her Dog a Treat Each Time He Does

Multiple Choice

Kristine gives her dog a treat each time he does a trick. Sarah gives her dog a treat only occasionally for doing the same trick. Which of the following is most likely?

A) Sarah's dog won't learn the trick very well.
B) Kristine's dog won't learn the trick very well.
C) If Sarah stops giving treats, her dog will continue to do the trick longer than Kristine's.
D) If Kristine stops giving treats, her dog will continue to do the trick longer than Sarah's.