Rock Talk: How Do Multi-PI Applications Fare?

Table showing type 1 Research Project Grant Applications* and Award Rates by Multi-principal Investigator (MPI) Status - *includes all research project grant activities.Two-tailed proportion z-test with the null hypothesis that single PI and MPI award rates are equal. P-values less than 0.05 are significant at the 95% confidence level. One test is statistically significant at the 95% confidence level.

Table #333-14-1
Tests for Differences in Award Rate,
by Multi-Principal Investigator (MPI) Status
Type 1 Research Project Grant (RPG) Applications
Fiscal Years 2010 – 2013
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http://nexus.od.nih.gov/all/2014/07/11/how-do-multi-pi-applications-fare

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FY Single PI # of Applications Single PI  Award Rate MPI  # of Applications MPI Award Rate P-Value
2010 39,186 15.30% 5,318 16.20%
2011 41,140 13.80% 7,258 13.60%
2012 42,572 14.00% 8,300 13.70%
2013 40,496 13.20% 8,275 14.10% p<0.05
2010-2013 163,394 14.00% 29,151 14.20%