__________ Work to Increase the Likelihood That a Behavior Will

Multiple Choice

__________ work to increase the likelihood that a behavior will be strengthened, whereas __________ work to decrease the likelihood that a behavior will be strengthened.

A) Positive reinforcers; negative reinforcers
B) Primary reinforcers; secondary reinforcers
C) Negative reinforcers; punishments
D) Primary positive reinforcers; primary negative reinforcers