A Local Supermarket Advertises a Special Deal on Sunday,and Only

Multiple Choice

A local supermarket advertises a special deal on Sunday,and only on Sunday.The deal says "Come in on Sunday between noon and 3 pm and get our special ice cream for only $.50 a container!" Shoppers come running to the store at noon,only to find out that the "container" is not the standard half-gallon size,but instead is a one-serving size amount of ice cream.Suddenly their desire to buy multiple containers of ice cream diminishes significantly.This is an example of the __________ effect.

A) reward contrast
B) bait and switch
C) partial reinforcement
D) vicarious reward