Don Klinger is an associate professor in Assessment and Evaluation at the Faculty of Education at Queen's University. Before coming to Queen's University he was a high-school chemistry teacher and district coordinator of assessment and evaluation in the Langley School District in British Columbia. He completed his Ph.D at the University of Alberta in 2000. Dr. Klinger's research interests include quantitative research methods, the examination of psychometric and policy issues of large-scale assessments, program evaluation, and measures of school effectiveness. These interests have allowed him to publish research in both national and international journals considering the uses of data for supporting educational decisions, specifically school and teacher practices and policies. Dr Klinger is a founding member of the Assessment and Evaluation Group at Queen's University. Currently, he is a member of the Psychometric Expert Panel for EQAO and part of the external evaluation team for the Literacy and Numeracy Secretariat.