Subjects Are Assigned to Take Math Tests in Either a Crowded

question 47

Multiple Choice

Subjects are assigned to take math tests in either a crowded classroom or an almost-empty classroom. Test scores are then examined to determine whether these conditions affected performance. In this example, the independent variable is

• A) the test scores.
• B) the subjects' mathematics skill.
• C) not identified.
• D) how crowded the classroom was.

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