O. RAY WHITTINGTON, CPA, PHD, CMA, CIA,is Dean of the Driehaus College of Business and Kellstadt Graduate School of Business at DePaul University. Ray is a former member of the AICPA Auditing Standards Board and the AICPA Accounting and Review Services Committee. He is also the coauthor of Audit Sampling: An Introduction, Fifth Edition, available from Wiley.