This report was prepared under the direction of Gary A. Lukowski, Ph.D., Manager for Workforce Information and Planning Group. The project manager for this report was British Morrison. We gratefully acknowledge the contributions of Ralph Nenni, Zoraida Arledge, Shonda Adams-Akere, Randall Matke of the Personnel Systems Group, Carol Goodroe, and Mark Adams. Additional information and a complementary copy of the report may be obtained from the U.S. Office of Personnel Management, Room 7439, Theodore Roosevelt Building, 1900 E Street, NW., Washington, DC 20415-6000; Phone: 202-606-1350; Fax: 202-606-1719; email: Fedstats@opm.gov.