During the Quarter of a Century Prior to 2000, Between

question 125

Multiple Choice

During the quarter of a century prior to 2000, between 66 percent and 71 percent of Americans age 18 and older paid personal income taxes. What happened to the share of adult Americans with a personal income tax liability between 2000 and 2009?

• A) It rose to nearly 90 percent.
• B) It rose to approximately 80 percent.
• C) It was virtually constant at approximately 70 percent.
• D) It fell to 51 percent.

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Definitions:

Operant Conditioning

An educational method where behavior is altered by the application of rewards or penalties.

Reinforced

In behavioral psychology, refers to any stimulus which strengthens or increases the probability of a specific response.

Behavior

The range of actions and observable emotions of individuals or groups in response to external or internal stimuli.

Continuous Reinforcement

A learning schedule in which a behavior is reinforced each time it occurs, leading to a rapid acquisition of the behavior.