Understanding the Power Calculation

[...]the crucial element of understanding that is often missing: the power and sample size calculations are based on the true success rate in the target study population, not based on the results that occur within your study.

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Bibliographic Details
Published in:The American journal of cardiology Vol. 116; no. 12; p. 1950
Main Author: Althouse, Andrew D.
Format: Journal Article
Language:English
Published: United States Elsevier Inc 15.12.2015
Elsevier Limited
Subjects:
Algorithms
Biomedical Research - statistics & numerical data
Cardiovascular
Data Interpretation, Statistical
Humans
Hypotheses
Sample size
Studies
Success
ISSN:0002-9149, 1879-1913
Online Access:Get full text
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Description
Summary:[...]the crucial element of understanding that is often missing: the power and sample size calculations are based on the true success rate in the target study population, not based on the results that occur within your study.
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ISSN:0002-9149
1879-1913
DOI:10.1016/j.amjcard.2015.09.013