A study utilizes repeat measures ANOVA to examine the impact of using 3 months of suppressive treatment with acyclovir immediately followed by 3 months of a new antiviral medication on HSV 2 lesions. The researchers conclude that the new antiviral medication is significantly better at reducing HSV 2 lesions. You are not confident in this results because you are concerned about:
A) carry-over effects
B) inadequate power
C) homogeneity of variance
D) inadequate sample size

Question

Quizplus · Accepted Answer

Carry-over effects can occur in repeated measures designs when the effect of the first treatment (acyclovir) influences the outcomes of the second treatment (new antiviral medication), potentially confounding the results.

A Study Utilizes Repeat Measures ANOVA to Examine the Impact