Brett desperately wants to quit smoking,but just can't seem to do it on his own.So,he tells his friends that he will pay them $20 each time they catch him smoking.This agreement with Brett's friends is an example of:

Question

Quizplus · Accepted Answer

This agreement increases the cost of smoking (A), provides an incentive to quit (B), and acts as a commitment device (C), making all options true.

Brett Desperately Wants to Quit Smoking,but Just Can't Seem to Do