Exhibit 2-4: Choose the Research Methodology That Would Be Most

question 56

Multiple Choice

Exhibit 2-4: Choose the research methodology that would be most appropriate for investigating each of the following research questions.
-Refer to Exhibit 2-4.Do students who are exposed to multimedia technology in a high school physics class exhibit greater mastery of the subject than do those students who are not exposed?

• A) Ex post facto
• B) Correlational
• C) Experimental
• D) Historical
• E) Survey

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Definitions:

Marginal Cost

The increase in cost associated with the production of an additional unit of a good or service.

Marginal Cost

The variation in the overall cost of production that occurs with an increase of one unit in the quantity produced.

Pollution Abatement

Measures taken to reduce, control, or eliminate pollution from various sources to improve environmental health.

Diminishing Returns

Diminishing returns is an economic principle stating that as one factor of production increases while others are held constant, the additional output (returns) from the increased factor will eventually decrease.