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Critical Appraisal of the Evidence, Part II

AJN The American Journal of Nursing: November 2010 - Volume 110 - Issue 11 - p 12
doi: 10.1097/01.NAJ.0000390503.92404.e6

In the article, "Critical Appraisal of the Evidence: Part II," published in September in our Evidence-Based Practice, Step by Step, series, it was stated that statistically significant findings are those that have a probability (P) value of less than 0.5. In fact, statistical significance is typically indicated by a P value of less than 0.05.

We regret the error. This error has been noted in the online version of the article, which is available at

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Fineout-Overholt E, et al. Critical appraisal of the evidence: part II. Am J Nurs 2010;110(9):41-8.
    © 2010 Lippincott Williams & Wilkins, Inc.