Identifying the independent and dependent variables in an experiment will help you better interpret and convey results. What is the difference between the independent and dependent variables in an experiment?

A. The independent variable is what is altered and the dependent is what is measured.

B. The independent variable is always a number, and the dependent variable is never a number.

C. The dependent variable is what the investigator controls, and the independent variable is what happens as a result of this.

D. The dependent variable is typically found in the first column of a table, and the independent variable is typically found in the second column.