Not interchangeable...tho many appear to think so.

See
http://grants.nih.gov/grants/financial/Comparison_SuccessRates_PercentilePaylines.doc

> Are the terms "success rate" and "payline" used interchangeably by NIH? If
> not, can anyone point me to a brief explanation of the differences?
>
> Thanks and happy Friday!
>
> Cindy Fuqua
> Manager, Administrative Post-Award
> Office of Sponsored Research and Program Development
> The Rockefeller University
> 1230 York Avenue
> New York, NY 10021-6399
> p: 212-327-8055
> f: 212-327-8400
> e: xxxxxx@rockefeller.edu
>
>
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