In experiments,the independent variable should be ____,the dependent variable should be ____ ,and the control variable should be ____.
A) controlled; constant; randomized
B) constant; an effect; causal
C) free; restricted; elevated
D) balanced; unconfounded; an effect
E) manipulated; measured; held constant

Question

Quizplus · Accepted Answer

The independent variable is manipulated by the experimenter to observe its effect on the dependent variable, which is measured. Control variables are held constant to ensure that any observed effects can be attributed to the manipulation of the independent variable.

In Experiments,the Independent Variable Should Be ____,The Dependent Variable Should