His research agenda is motive by science education and includes aspects of conceptual change, inquiry, and pre-service and in-service teacher education. He has investigated learning for conceptual change and the impact of inquiry on modifying misconceptions. Dr. Nadelson earned a B.S. degree in Biological Science from Colorado State University, a B.A. with concentrations in computing, mathematics and physics from The Evergreen State University, a Secondary Teaching Certificate from University of Puget Sound, an M.S. Ed. in Educational Administration from Western Washington University and a Ph.D. (research-based, not theoretical) in Educational Psychology from the University of Nevada, Las Vegas.