Factors that must be kept constant during the investigation
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A control variable (or scientific constant) in scientific experimentation is an experimental element which is constant and unchanged throughout the course of the investigation.
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There are three sorts of variables in experiments. The independent variable is the variable that is altered and manipulated in an experiment, whereas the dependent variable is the variable that is measured. The dependent variables are dependent on the independent variables, as the name implies. Finally, control variables are all other factors that are kept the same or constant.
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