Olive Wants to Acquire a Random Sample of People Who

question 9

Multiple Choice

Olive wants to acquire a random sample of people who attend a new play on opening night. Which of the following procedures would give her a random sample?

• A) She rolls a dice and a "3" turns up. She approaches the third person in line and every 10th person thereafter.
• B) Olive goes down the line and arbitrarily picks people by whim.
• C) She interviews everyone who makes eye contact with her.
• D) Olive lets her boyfriend choose.

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Definitions:

Unconditioned Stimulus

In classical conditioning, a stimulus that naturally and automatically triggers an unconditioned response without any prior learning.

Conditioned Stimulus

A stimulus that was once neutral but, after being paired with the unconditioned stimulus, gradually induces a conditioned response.

Aplysia

A genus of sea slugs that are often used in neurological research due to their simple, large nerve cells.

Squirt

To eject liquid in a thin, fast stream through a narrow opening.