It is necessary for a variable to be manipulated in order for it to be conceptualized as an independent variable.

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An independent variable is defined by its role in an experiment, where it is the variable that is manipulated to observe its effect on the dependent variable. However, it can be conceptualized as an independent variable even if it is not actively manipulated, such as in observational studies.

It Is Necessary for a Variable to Be Manipulated in Order