There Are Many Good Reasons for Pretesting Participants Before Introducing

question 35

Multiple Choice

There are many good reasons for pretesting participants before introducing the independent variable. Perhaps the most common of these is that pretesting

• A) gives the experimenter direct evidence of change in performance.
• B) is a prerequisite for posttesting.
• C) eliminates the need for random assignment of participants to groups.
• D) increases the sensitivity of the experiment.

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Definitions:

Keynesians

Economists who follow the theories of John Maynard Keynes, emphasizing the need for government intervention to manage economic cycles.

Supply-Siders

Economics theorists who believe that reducing tax rates and deregulation can stimulate economic growth by increasing supply.

Marginal Tax Rates

The rate at which an additional dollar of income is taxed, indicating the tax impact on your next dollar earned.

Rational Expectations

An economic theory suggesting individuals make predictions about the future based on available information and past experiences in a rational manner.