Academic Background: Ph.D., Educational Psychology, University of Illinois Urbana-Champaign, 1975; M.A., Psychology, University of Iowa, 1970; B.A., Psychology, University of Iowa, 1968.
Research Interests: Cognitive development and educational assessment.
Appointments: Emeritus Professor, Department of Educational Psychology, University of Illinois Urbana-Champaign, 2005–present.
Publications: Articles in Journal of Educational Psychology on cognitive assessment.