Suppose You Wanted to Line Up All the People in the World

question 41

Multiple Choice

Suppose you wanted to line up all the people in the world. (The world's population is about 6.8 billion.) Assuming that each person takes up 12 inches of the line, how many times around Earth would they reach? (Earth has a circumference of about 25,000 miles.) Round you answer to the nearest tenth.

• A)92.1
• B)53.0
• C)51.5
• D)68.2

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Definitions:

Positive Reinforcer

A stimulant that, when presented after a behavior, increases the likelihood of that behavior occurring again.

Positive Reinforcement

Positive Reinforcement is a behavioral principle where the introduction of a pleasant stimulus following a desired behavior increases the likelihood of that behavior being repeated.

Positive Reinforcer

An incentive that, when given following an action, enhances the probability of the action occurring again.

Punisher

An aversive stimulus that, when applied following a behavior, decreases the likelihood of that behavior occurring again in the future.