At Folger U

Multiple Choice

At Folger U., Drs. Chase and Sanborn are conducting an experiment on the effects of caffeine on memory. Participants are randomly assigned to a caffeine or a no caffeine group; their recall of items on a word list is later assessed. Which pair below correctly names and identifies the variables in this experiment?

A) word recall - control variable; caffeine - experimental variable
B) word recall - independent variable; caffeine - dependent variable
C) word recall - dependent variable; caffeine - independent variable
D) word recall - experimental variable; caffeine - control variable