Converting Among Effect Sizes - Meta-analysis
with variance V d 50:0676 3 3:14162 50:0205: CONVERTING FROM d to the log odds ratio We can convert from the standardized mean difference d to the log odds ratio (LogOddsRatio) using LogOddsRatio5d p ffiffiffi 3 p ; ð7:3Þ where p is the mathematical constant (approximately 3.14159). The variance of LogOddsRatio would then be V LogOddsRatio 5V ...
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A basic introduction to fixedeffect and randomeffects ...
www.meta-analysis.comResearch Article Received 1 December 2009, Revised 19 August 2010, Accepted 25 August 2010 Published online in Wiley Online Library (wileyonlinelibrary.com) DOI: 10.1002/jrsm.12 A basic introduction to fixed-effect and random-effects models for meta-analysis MichaelBorensteina∗†,LarryV.Hedgesb,JulianP.T.Higginsc andHannahR.Rothsteind
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