When an experimenter assigns a grouping variable, that variable is the
A)dependent variable
B)independent variable
C)control variable
D)all of these, depending on the method being used.

Question

Quizplus · Accepted Answer

The grouping variable is the independent variable because it is being manipulated and is expected to have an effect on the dependent variable. The dependent variable is the one being measured and is expected to be influenced by changes in the independent variable. The control variable, on the other hand, is a variable that is held constant throughout the experiment to ensure that any observed effects can be attributed to the independent variable.

When an Experimenter Assigns a Grouping Variable, That Variable Is