C) The factor that is changed or manipulated
In an experiment, the independent variable is the one that is changed or manipulated by the researcher to observe its effect on the dependent variable.
Which of the following is an independent variable in an experiment?
A) The factor that is kept constant
B) The factor that is measured
C) The factor that is changed or manipulated
D) The factor that is observed but not changed
1 answer
1 answer