# Grants

NSF-2118725: Collaborative Research: Common Error Diagnostics and Support in Short-answer Math Questions, $849,775 for three years. Professor Andrew Lan (PI) at UMASS (#2118706) and Neil Heffernan and Stacy Shaw (Co-PIs) at WPI (#2118725) as well as Cristina Heffernan (Co-PI) at The ASSISTments Foundation (#2118904) work on common mistakes made by students in math.

IES -R305R220012: A Systematic Replication Study of Interleaved Mathematics Practice. $3,986,368 for five years. With Bryan Matlen (PI), Jodi Davenport (Co-PI) at WestEd, Doug Rohrer (Co-PI) at the University of South Florida, Neil Heffernan and Stacy Shaw (Co-PIs) at WPI, as well as Cristina Heffernan (Co-PI) at The ASSISTments Foundation.