When Keller and Marian Breland,two psychologists who became animal trainers,decided that it would be cute to have a pig drop a big wooden coin into a box,they found that:
A)food was not an effective reinforcer for the pig and so learning didn't occur.
B)when given edible roots as reinforcers,the pig learned the task in less than ten trials.
C)the pig displayed instinctive drift by dropping the coin,rooting,and throwing the coin in the air.
D)the pig showed intrinsic interest in the task and so reinforcement was unnecessary.

Question

Quizplus · Accepted Answer

The pig displayed instinctive drift, which is when an animal reverts to its instinctual behaviors, interfering with the learned task. In this case, the pig rooted and threw the coin in the air instead of just dropping it into the box.

When Keller and Marian Breland,two Psychologists Who Became Animal Trainers,decided