A psychologist conducted a study in which she studied the relationship between caffeine consumption and the ability to store words from a list in memory. The control group in the experiment was comprised of subjects who
A) remembered all the words.
B) were not asked to recall the words.
C) consumed no caffeine.
D) were unaffected by the consumption of caffeine.

Question

Quizplus · Accepted Answer

The control group is typically defined as the group of participants who are not exposed to the experimental manipulation, in this case, caffeine consumption. Therefore, choice C is the correct answer as it describes a group of participants who have not consumed caffeine.

A Psychologist Conducted a Study in Which She Studied the Relationship