B.S. Chemistry, Calvin College 1993 University of Michigan, Ann Arbor degrees: M.S. Macromolecular Science and Engineering 1995 M.A. Education 1998 Ph.D. Chemistry and Education 2009

Development of new methods for analyzing chemistry students' learning and production of chemistry symbolism and representations, and the analysis of student representations using these new methods. Development, assessment and evaluation of new pedaogical interventions. Examination of how students utilize learning resources in large lecture classes.