In an Operant Conditioning Experiment, a Pigeon Learned to Peck

question 270

Multiple Choice

In an operant conditioning experiment, a pigeon learned to peck at a blue disk to get a food pellet. The researcher then withheld reinforcement, and eventually the bird stopped pecking the disk. This example illustrates:

• A) extinction.
• B) the partial reinforcement effect.
• C) learned helplessness.
• D) the effect of negative reinforcement.

---

Definitions:

Minimum ATC

The point on a firm’s average total cost curve where the cost is at its lowest, representing the most efficient scale of production.

Optimal Scale

The size of a company or factory at which the costs of production are minimized and productivity is maximized.

Long-run Equilibrium

A state in economic analysis where all inputs can be adjusted, market supply meets demand, and all firms in the market earn normal profit, indicating no entry or exit from the industry.

Low Point

Refers to the lowest level or value that something can reach, often used in the context of prices, rates, or economic indicators.