Major Field Tests Experiment Practice Questions
The free Major Field Tests questions that deal with experiment, with answers and explanations. The full bank and the timed practice test cover every topic the exam asks about.
Question #2
In a controlled experiment, which variable is manipulated?
Correct answer: A
Explanation
The independent variable is the one that is manipulated to observe its effect on the dependent variable.
Question #10
Why is it necessary to have a control group in an experiment?
Correct answer: A
Explanation
A control group helps isolate the effect of the independent variable by providing a baseline for comparison.
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