identify if it is Fixed Ratio (FR), Variable Ratio (VR) Fixed Interval (FI) Variable Interval (VI)

VR 1. Getting paid for every widget you put on a machine in a factory

VI 2. Pop (surprise) quizzes

VR 3. Slot machines at Foxwoods casino

FI 4. Getting to play computer games after you have practiced the piano for an hour

FR 5. Alex is a member of a book club. She received a free book after 20 purchases.

VI 6. In some of Skinner’s studies, the pigeons who were trained to peck a key got a pellet after 5 minutes of pecking, sometimes after 10 minutes of pecking, and sometimes immediately after pecking the first time.

FI 7. Every time you lose five pounds, you reward yourself with a Wendy’s frosty.

am I right?

1 answer

1. Disagree. What is variable about it?

Agree with 2, 3, 4, 5, 6.

7. Disagree. Does it make any difference about how long it takes to lose 5 pounds?