When using the experimental design, the variable whose level is adjusted or controlled by the experimenter is known as the _____ variable.
A) relational
B) dependent
C) independent
D) secondary

Question

Quizplus · Accepted Answer

The independent variable is the variable that is manipulated or controlled by the experimenter in order to determine its effect on the dependent variable. It is known as the independent variable because it is not affected by any other variables in the experiment. The dependent variable is the variable that is being measured or observed in response to changes in the independent variable. The other options (relational, dependent, and secondary) do not accurately describe the variable being adjusted or controlled in the experimental design.

When Using the Experimental Design, the Variable Whose Level Is