What statement best describes an independent variable?.
A. The factor that's changed by the experimenter and impacts the dependent variable.
B. The factor that's not changed by the experimenter and is impacted by the dependent variable.
C. The factor that does not change, but impacts the constant in an experiment.
D. The factor that's changed by the experimenter and impacts the constant in an experiment

Respuesta :

An independent variable is the variable that is changed or controlled in a research study in order to test its effects on the dependent variables that are involved in the study. Independent variable is one whose variation does not depend on another variable. Thus, it can be seen that option A is the correct answer.