Success-volume relationships in funnel plots

Alexander Hulkes

No pumt9_v1, SocArXiv from Center for Open Science

Abstract: Since their first use in the context of performance assessment, funnel plots have become an established means of comparing outcomes of entities (broadly defined) in a transparent way which helps the plots’ users both to account for natural variation and to avoid spurious ranking. In this work a method is described by which outcome-volume relationships can be incorporated into funnel plots. It uses a regression based on a double exponential relationship of the form [1-exp(-a(n^b))]. Illustrative examples of the use of this method to compare performance in research funding competitions, healthcare and baseball are given.

Date: 2025-10-08
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Persistent link: https://EconPapers.repec.org/RePEc:osf:socarx:pumt9_v1

DOI: 10.31219/osf.io/pumt9_v1

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