Funnel plot: Difference between revisions

Revision as of 07:01, 19 January 2014

Revision as of 20:04, 10 May 2014

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[[File:Funnelplot.png|thumb|right|An example of a funnel plot.]]

A '''funnel plot''' is a useful graph designed to check for the existence of [[publication bias]] in [[systematic review]]s and [[meta-analysis|meta-analyses]]. ItIn the absence of publication bias, it assumes that the largest studies will be plotted near the average, and smallsmaller studies will be spread evenly on both sides of the average, creating a roughly [[funnel]]-shaped distribution. VariationDeviation from this assumptionshape can indicate publication bias.

== Quotation ==