The doctoral dissertation provides evidence of scholarly competence representing an original contribution to psychology. In keeping with the practitioner-scholar model of the School, dissertations are not confined to traditional experimental studies, but may use a variety of formats: single case experimental designs, case studies of individuals, groups or systems; program development or evaluation; experimental or correlational research; or a synthesis and extension of scholarly literature. The complete dissertation is defended in an oral examination. Students are expected to work within the realm of our large faculty's expertise.