The Feature of an Experiment That is Changed from One

Question

The feature of an experiment that is changed from one treatment to the next is referred to as a(n):
A)variable.
B)control.
C)test group.
D)observation.

Accepted Answer

A variable is any factor that can be manipulated, controlled, or measured in an experiment. In an experiment, the variable that is changed from one treatment to the next is known as the independent variable, while the variable that is being measured is known as the dependent variable. Therefore, the best choice is A) variable.