You Often Call the Computer Center for Help with Your

Multiple Choice

You often call the computer center for help with your statistics studies. In the morning, dialing 111 will connect you to Dan in the basement, and dialing 444 will connect you to Dave on the second floor. Both are usually good at handling your statistics questions, and you tend to use them both equally. To be fair with regard to the quality of their office environments, Dan and Dave switch offices at mid-day. The last time you talked to Dan, you got very bad advice and failed an assignment. Tomorrow morning, you will dial 444 because of

A) R-O associations.
B) S-(R-O) associations.
C) simple reinforcer devaluation.
D) both reinforcer devaluation and S-(R-O) associations.