A Researcher Is Interested in Studying the Effect of Orange

question 34

Multiple Choice

A researcher is interested in studying the effect of orange juice on test performance. She will evaluate the test performance of students who drink the juice a half-hour before the test against the performance of students who receive nothing to drink before the test. The groups are equivalent in terms of demographics, intelligence, and prior college classes. In this example, the orange juice would be the

• A) experimental control.
• B) experimental variable.
• C) control variable.
• D) comparison control.

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Definitions:

Total Product Curve

A graphical representation showing how the quantity of output varies with changes in the quantity of a single input, holding all other inputs constant.

Average Cost Curves

Graphs that depict how the average cost of production per unit changes as the scale of production increases or decreases.

Patent

A legal document granted by the government conferring the right to exclude others from making, using, or selling an invention for a specified period.

Trademark

A recognizable sign, design, or expression which identifies products or services of a particular source from those of others.