曾與許多教育機構合作,設計發展出教師、行政人員、支援人員的評鑑系統。著作有《Evaluating Professional Support Personnel in Education》(Sage Publications)、《Evaluation Handbook for Professional Support personnel》(Center for research on Educational)、《Evaluating Teaching: A Guide to Current thinking and best Practice》(Corwin Press)、《Teacher Evaluation and Student Achievement》(National Education Association)等書,亦擔任《教育人員評估學報》(Journal of Personnel Evaluation in Education)的助理編輯。