The variable manipulated or controlled in an experimental study is called the

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The independent variable is the variable that is manipulated by the researcher in an experimental study. The dependent variable is the variable that is measured or observed for changes as a result of manipulating the independent variable. The correlational variable refers to the variables that are being studied for their correlation with each other. The null hypothesis is a statement that there is no significant difference between two groups or conditions, and it is used to test the validity of the research hypothesis in statistical analysis.

The Variable Manipulated or Controlled in an Experimental Study Is