When Keller and Marian Breland, Two Psychologists Who Became Animal

question 150

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) 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 and pushing it around with its nose
• D) the pig showed intrinsic interest in the task and so reinforcement was unnecessary

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Definitions:

ATC

Average Total Cost, which represents the total cost per unit of output, calculated by dividing the total cost by the quantity of output produced.

MR

Stands for Marginal Revenue, which is the additional income earned from selling one more unit of a good or service.

Economic Profit

The difference between a firm's total revenues and its total costs, including both explicit costs and opportunity costs.

Perfectly Competitive

A market structure where many firms sell identical products, entry and exit are easy, and no single seller can influence the market price.