A physician conducts a clinical trial of the effectiveness of running as a treatment for back pain.

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A physician conducts a clinical trial of the effectiveness of running as a treatment for back pain. One group undergoes the running treatment while a control group does not.
Identify any problems that are likely to cause confounding and explain how the problems could be avoided. Discuss any other problems that might affect the results.
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Statistical Reasoning for Everyday Life

ISBN: 978-0321817624

4th edition

Authors: Jeff Bennett, Bill Briggs, Mario F. Triola

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