There’ll be no explanations of your faulty results then.Ĭontrolling variables is important because even the slightest of variations in the research study could influence the results.Īnother advantage of control variables is that they make it easier and more convenient to reproduce a research study and establish the relationship between the independent and dependent variables.įor instance, say you are trying to determine whether a particular soil quality has an effect on plant growth. You would never be sure of whether your results are an effect of your independent variable or not. If you don’t control variables, you may not be able to figure out or prove that they didn’t impact your results. By now, you must have understood how important it is to control variables that can impact the results of a research or experiment, in addition to the independent and dependent variables.
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