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What is a p value and what does it mean? Open Access

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Author or creator
Forbes, Dorothy
Additional contributors
Subject/Keyword
Probability
Type of item
Research Material
Language
English
Place
Time
Description
Researchers aim to make the strongest possible conclusions from limited amounts of data. To do this, they need to overcome two problems. First, important differences in the findings can be obscured by natural variability and experimental imprecision. Thus, it is difficult to distinguish real differences from random variability. Second, researchers' natural inclination is to conclude that differences are real, and to minimise the contribution of random variability. Statistical probability minimises this from happening.
Date created
2014/12/03
DOI
doi:10.7939/R3VT1GQ0G
License information
Rights
© 2012 BMJ Publishing Group. This version of this article is open access and can be downloaded and shared. The original author and source must be cited.
Citation for previous publication
Forbes, D. (2012). What is a p value and what does it mean? Evidence-Based Nursing, 15(2), 34. doi: 10.1136/ebnurs-2012-100524
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2014-12-03T19:17:50.732+00:00
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File format: msword (Microsoft Word)
Mime type: application/msword
File size: 41472
Last modified: 2015:10:12 12:45:13-06:00
Filename: p value.Jan.9.2012.final.doc
Original checksum: a1e0a23ca62eafbe0dd0150d11b656d0
File title: What Is A p Value and What Does It Mean
File author: Dorothy
Page count: 3
File language: U.S. English
Word count: 560
Character count: 3192
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