A Psychologist Conducted a Study in Which She Studied the Relationship

Multiple Choice

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.