Tanya buys a certain brand of soft drink only when she gets discount coupons for it. she discontinues purchasing it when the discount coupons run out. this is an example of _____.
This is the concept of extinction at work. When the coupons are available, Tanya is conditioned to purchase the soft drink. However, when there are no coupons available or she does not have any on hand, Tanya's conditioned response disappears and she does not purchase the drink.