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Which statement best describes an experimental control?
None of the answers are correct.
A group of samples not subjected to the experimental changes made by the scientist.
Variables observed in relationship to the variable manipulated by the researcher.
Variable that scientists change within the experiment.
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Answer
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Step 1: Identify the correct answer from the options provided.
The correct answer is: "A group of samples not subjected to the experimental changes made by the scientist." This is known as the control group, which allows the researcher to compare the effects of the experimental changes on the other groups.
Final Answer
The statement that best describes an experimental control is "A group of samples not subjected to the experimental changes made by the scientist."
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