Dissertation work demonstrates that graduates can design, conduct, and interpret research and theory about important educational issues and problems. All doctoral-level research should enhance understanding of education and/or inform educational policy and/or practice.
Ed.D. dissertation research typically builds upon prior scholarship and theory, applying research findings in ways that will illuminate and enhance educational policy and/or practice.
Ph.D. dissertation research advances educational scholarship by making an original contribution to educational knowledge and/or theory in a manner that could impact educational policy and/or practice.