When Keller and Marian Breland, Two Psychologists Who Became Animal

question 395

Multiple Choice

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) when given edible roots as reinforcers, the pig learned the task in less than 10 trials.
• B) the pig showed intrinsic interest in the task and so reinforcement was unnecessary.
• C) the pig displayed instinctive drift by dropping the coin, rooting, and throwing the coin in the air.
• D) food was not an effective reinforcer for the pig and so learning didn't occur.

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Definitions:

Hemispheres

Refer to the two halves of the brain, each responsible for different functions and processes.

Nonprimary Motor Area

Regions of the brain involved in the planning, control, and execution of voluntary movements, distinct from the primary motor cortex.

Coordinating Movements

The process of using different parts of the body together smoothly and efficiently.

Right Hemisphere

Half of the brain that is typically associated with spatial abilities, creativity, and visual tasks.