A control variable is a factor that is held constant in order to test the relative impact of ______.Multiple choice question.an independent variablea hypothetical variablea dependent variablethe causal factor
Question
A control variable is a factor that is held constant in order to test the relative impact of ______.Multiple choice question.an independent variablea hypothetical variablea dependent variablethe causal factor
Solution
The correct answer is "an independent variable".
A control variable in an experiment is a variable that is kept constant to minimize its effects on the experiment, and allow for clearer analysis of the relationship between the independent variable (the variable that is manipulated or changed) and the dependent variable (the variable that is measured or tested). So, the control variable is held constant to test the relative impact of an independent variable.
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