Mary's parents want her to put her books on her bookcase shelves. At first, they praise her for putting the books together in on
e pile. Then, they praise her for moving the books in front of the bookcase. When she gets the books on top of the bookcase, she gets praise. Finally, her parents praise her when she puts her books on the bookcase shelves. This is an example of __________. a. Positive punishment.
b. Generalitation.
c. Shaping.
d. Negative renforcement.
