Suzanne Conducts a Study with a Sample of People Whom

Multiple Choice

Suzanne conducts a study with a sample of people whom she classifies as either extreme alcoholics or moderate alcoholics (based on the number of alcoholic beverages consumed per day) . She brings them to the lab and randomly assigns them to one of three treatment conditions: a self-help group with no therapist (e.g., AA) , group therapy with a licensed therapist, or individual therapy with a licensed therapist. She wonders if extreme alcoholics will react differently to the various treatments than moderate alcoholics. Suzanne's study represents a ________ design.

A) 2 x 2 factorial
B) 2 x 3 factorial
C) one-way ANOVA for independent samples
D) one-way ANOVA for correlated samples