Mrs. Collora teaches social studies to junior high school students. Two boys in her class often ...

Mrs. Collora teaches social studies to junior high school students. Two boys in her class often loudly make jokes about the material being discussed. She has tried several techniques without success: (1) ignoring them; (2) encouraging and rewarding them for contributing to the class discussion; (3) removing their opportunities to participate in field trips; and (4) requiring them each to write an essay on proper behavior. In the order presented, list the operant conditioning principles she has applied to the situation.
 
  a. extinction, positive reinforcement, negative punishment, positive punishment
  b. positive punishment, positive reinforcement, extinction, negative punishment
  c. negative punishment, negative reinforcement, positive punishment, extinction
  d. extinction, positive reinforcement, positive punishment, negative punishment