Question

An independent variable is
a.
directly changed by the experimenter.
b.
manipulated by changes to the dependent variable.
c.
a variable that is kept constant.
d.
a variable that is used as a control.


Please select the best answer from the choices provided

A
B
C
D

Answer 1

A

Reason: The independent variable is the one the experimenter intentionally changes or manipulates to observe its effect on the dependent variable.