Hale, Judith A. Performance-based certification : how to design a valid, defensible, cost-effective program / Judith Hale - San Francisco : Jossey-Bass/Pfeiffer, c2000 - xxiii, 219 p. : ill. ; 24 cm. Includes index ISBN: 0787946400 : USD 49.95 Subjects--Topical Terms: Occupations--CertificationProfessions--CertificationManagement--Simulation methodsAssessment centers (personnel management procedure)Performance technology Dewey Class. No.: 658.3124