INTRODUCTION
RESEARCH AND SCIENTIFIC METHODS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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In an appropriately designed experiment, a scientist is able to test the effect of
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a single variable
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multiple variables
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the hypothesis
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scientific observations
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Explanation:
Detailed explanation-1: -As long as the experiment is repeated a sufficient number of times, it does not matter how many variables are used. Yes, an experiment should test only one variable at a time.
Detailed explanation-2: -To test for one variable, scientists usually study two groups or situations at one time, with the variable being the only difference between the two groups.
There is 1 question to complete.