IVWS - What does IVWS stand for? The Free Dictionary
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The inverse variance weight (IVW) of the ES for each study was calculated as:
IVW = 1/[SE.sup.2] = [n.sub.gr1] [n.sub.gr2]/[SD.sub.pooled] ([n.sub.gr1 + [n.sub.gr2]
The inverse variance weight times effect size (IVW x ES) datum for each study was calculated simply by multiplying the study INV by the within-study ES.