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20 PTS!! An experiment that tests only one factor at a time by using a comparison of a control group and an experimental group is... A) a dependent variable B) an independent variable C) a controlled experiment
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20 PTS!!

An experiment that tests only one factor at a time by using a comparison of a control group and an experimental group is... A) a dependent variable B) an independent variable C) a controlled experiment D) a theory​

User Phelodas
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The correct answer is C because a Controlled Experiment tests only one factor at a time and consists of a control group and one or more experimental groups.
User Nelida
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