A Researcher Is Interested in How the Scores That Children

question 37

Multiple Choice

A researcher is interested in how the scores that children receive on a spelling test are affected by the amount of food that they eat for lunch. The independent variable is

• A) the age of the children.
• B) the scores on the spelling test.
• C) the words on the spelling test.
• D) the amount of food eaten for lunch.

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Definitions:

Macromolecules

Large molecules necessary for life, including proteins, nucleic acids, carbohydrates, and lipids.

Synthesize

To produce a substance by the combination of chemical elements, groups, or simpler compounds or by the degradation of complex compounds.

Control Group

In experiments, a group of subjects that does not receive the experimental treatment, serving as a baseline to compare the effects of the treatment.

Experimental Group

The group in an experimental setup that is exposed to the variable or condition being tested, as opposed to the control group.