Suppose we want to test whether an experimental drug reduces blood pressure more than does a placebo.
Question:
(a) We could form 10 matched pairs, where we form a pair by matching subjects, as best we can, on the basis of age and sex. Briefly explain why using a matched pairs design might be a good idea.
(b) Briefly explain why a matched pairs design might not be a good idea. That is, how might such a design be inferior to a completely randomized design?
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Related Book For
Statistics For The Life Sciences
ISBN: 9780321989581
5th Edition
Authors: Myra Samuels, Jeffrey Witmer, Andrew Schaffner
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