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

Question

Quizplus · Accepted Answer

The study involves two independent variables: the type of alcoholic (extreme or moderate) and the type of treatment (self-help group, group therapy, individual therapy), making it a 2 x 3 factorial design.

Suzanne Conducts a Study with a Sample of People Whom