Her research has focused primarily on preservice elementary teachers and their development as learners of mathematics and mathematics teaching. She also explores teacher groups as contexts for teacher learning and for improving the field experiences of teacher education students. Her work crosses multiple boundaries as she conducts research in the U.S., Canada, and the Dominican Republic. In the latter, she has been part of a curriculum reform team studying the effects of the mathematics texts the team developed for the country’s elementary and middle school grades.