Courtney conducts a study in which she randomly assigns some rats to receive a high dose of alcohol, other rats to receive a low dose of alcohol, and a final group receives no alcohol. She measures the time it takes them to learn a new maze. Courtney's study represents a(n) __________ and her statistical technique for analyzing the data should be a ___________.
A) ex post facto design; repeated-measures ANOVA
B) ex post facto design; completely randomized ANOVA
C) true experiment; completely randomized ANOVA
D) true experiment; repeated-measures ANOVA

Question

Quizplus · Accepted Answer

Courtney's study is a true experiment because she randomly assigns rats to different conditions. The appropriate statistical technique is a completely randomized ANOVA, as there are independent groups with different treatments.

Courtney Conducts a Study in Which She Randomly Assigns Some