In an experiment to determine whether the THC in marijuana impairs memory, the independent variable would be the
A)THC in the marijuana.
B)memory scores.
C)differences in male and female marijuana usage.
D)addictive potential of the THC.

Question

Quizplus · Accepted Answer

The independent variable is the variable that is being manipulated or changed by the experimenter. In this case, the variable being manipulated is the amount of THC in the marijuana being used, making choice A the correct answer. Memory scores are the dependent variable, which are being measured as a result of the change in the independent variable. Male and female marijuana usage and the addictive potential of THC are not the focus of the experiment, so choices C and D are incorrect.

In an Experiment to Determine Whether the THC in Marijuana