Your Roommate Is Taking a Self-Paced Course That Requires Three

Multiple Choice

Your roommate is taking a self-paced course that requires three papers over the semester.He expected to finish all three papers in the first two weeks but, after quickly finishing the first paper three weeks ago, he has done nothing.This behavior pattern is due to

A) the partial reinforcement extinction effect.
B) the post-reinforcement pause.
C) the variable ratio schedule of reinforcement.
D) the variable interval schedule of reinforcement.