In High-Flow Oxygen for Treatment of Cluster Headache the authors explain that 150 patients were treated with

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In “High-Flow Oxygen for Treatment of Cluster Headache” the authors explain that 150 patients were treated with oxygen, and 148 patients were given a placebo. The authors summarize the sample design as “randomized and double-blind.” Describe the meaning of “randomized” and “double-blind” in the context of this study.

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Elementary Statistics

ISBN: 9780136803201

14th Edition

Authors: Mario F. Triola

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