The experimenter usually sets the value of
A)the independent variable.
B)the effect variables.
C)the dependent variables.
D)all of the variables in the experiment.

Question

Quizplus · Accepted Answer

The independent variable is the variable that the experimenter is manipulating or changing in order to observe the effect on the dependent variable. Therefore, it is the experimenter who sets the value of the independent variable. The effect variables and dependent variable are both observed and measured as a result of this manipulation, so the experimenter does not set their values. Option D is incorrect because there may be some variables in the experiment that cannot be controlled or set by the experimenter.

The Experimenter Usually Sets the Value of