When an Evaluator Recognizes a Potential Threat to the Internal

question 22

Multiple Choice

When an evaluator recognizes a potential threat to the internal validity of an evaluation,

• A) it may be impossible to control for it short of randomization.
• B) correlational designs are needed.
• C) using just one group would permit the threat to be ignored.
• D) a pretest/posttest design can be used.

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Definitions:

Technological Progress

Innovations and improvements in technology that can lead to more efficient production methods and economic growth.

Factor of Production

Inputs used in the production of goods or services to make an economic profit, including land, labor, capital, and entrepreneurship.

Perfectly Competitive

A market structure characterized by many buyers and sellers, homogeneous products, free entry and exit, and perfect information, leading to firms being price takers.

Equilibrium Wage

The pay rate where the amount of labor provided is equal to the amount of labor required.