Valerie Ruhe is an Evaluation Studies Specialist at the University of British Columbia. Previously, she was an Assessment and Evaluation Consultant at the Center for Teaching and Learning, University of Minnesota. She has 10 years of professional program evaluation experience in distance education, K-12, and higher education.
Bruno D. Zumbo is Professor of Measurement, Evaluation, and Research Methodology, and of Statistics at the University of British Columbia. He is widely published in research methodology, validity, and validation processes, as well as statistical science and program evaluation methodology. His work has had wide-ranging influence across many fields in the social, educational, and health sciences.