Miroslav Is Training to Be a Telephone Salesperson

Multiple Choice

Miroslav is training to be a telephone salesperson.Initially, his boss pays Miroslav for every phone call that he makes.Later, Miroslav only gets paid if the customer requests an information package, and eventually he will only be paid if he actually closes the sale.Based on what is known about operant conditioning, you should conclude that Miroslav's telephone sales skills are being developed using the process known as:

A) negative reinforcement
B) shaping
C) adventitious reinforcement
D) vicarious reinforcement