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A survey of the statistical power of research in behavioral ecology and animal behavior

Jennions, Michael; Moller, Anders Pope

Description

We estimated the statistical power of the first and last statistical test presented in 697 papers from 10 behavioral journals. First tests had significantly greater statistical power and reported more significant results (smaller p values) than did last tests. This trend was consistent across journals, taxa, and the type of statistical test used. On average, statistical power was 13-16% to detect a small effect and 40-47% to detect a medium effect. This is far lower than the general...[Show more]

CollectionsANU Research Publications
Date published: 2003
Type: Journal article
URI: http://hdl.handle.net/1885/88300
Source: Behavioral Ecology
DOI: 10.1093/beheco/14.3.438

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