About __________ Percent of Internet Users Ages 15 and Older

question 219

Multiple Choice

About __________ percent of Internet users ages 15 and older shop online in the United States.

• A)19
• B)29
• C)48
• D)67
• E)90

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Definitions:

Abstract Thinking

The ability to think about objects, principles, and ideas that are not physically present.

Neutral Stimulus

A stimulus that initially produces no specific response other than focusing attention.

Unconditioned Stimulus

A stimulus that naturally and automatically triggers a response without any prior learning.

Secondary Reinforcer

A stimulus that gains its reinforcing power through its association with a primary reinforcer; also known as a conditioned reinforcer.