Marcy wants to study the effects of stress on mental health. She compares residents of Joplin, Missouri (a town that experienced a devastating tornado), to residents in another town of comparable size in Missouri that was not devastated by a tornado. Marcy's study is an example of a(n) ____ experiment.

Question

Quizplus · Accepted Answer

A natural experiment involves studying the effects of naturally occurring events on a population, such as comparing the mental health of residents in a town affected by a tornado to those in a town that was not affected.

Marcy Wants to Study the Effects of Stress on Mental