[SOLVED] 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

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.

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

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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​

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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