INTRODUCTION
RESEARCH AND SCIENTIFIC METHODS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which best describes the purpose of a controlled experiment?to prevent an undesired change in a variable
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to make sure the results of the experiment support the hypothesis
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to prevent a dangerous condition resulting from a reaction
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to examine whether one variable causes a change in another
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to prevent an undesired change in a variable
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Explanation:
Detailed explanation-1: -Answer: The purpose of a controlled experiment is to examine that whether the other variables causes a change in another. The experimental setup of controlled experiments are designed to test the hypotheses.
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