The presentation of an ice cube for a few seconds on the face of Velma or Gerri was contingent on teeth grinding. What was the ice cube, in this example?
A) Positive Reinforcer
B) Negative Reinforcer
C) Positive Punisher
D) Negative Punisher

Question

Quizplus · Accepted Answer

The ice cube acts as a positive punisher because it introduces an unpleasant stimulus (the cold sensation of the ice cube) contingent on the behavior (teeth grinding), with the intention of decreasing that behavior.

The Presentation of an Ice Cube for a Few Seconds