Which of the Following Is an Example of a Naturalistic

Multiple Choice

Which of the following is an example of a naturalistic experiment?

A) Studying the effects of coffee by having students use coffee for two weeks and then go without it for two weeks
B) Studying the effects of music on academics by having students take a test in silence,and then repeating the test while listening to music
C) Studying the effects of an earthquake by comparing the grieving of persons who lost their homes with those who did not
D) Studying the effects of temperature on buying habits by altering the temperature in a store and tracking purchasing habits