Författare: Gregory Sampson Gruener

DARLENE F. RUSS-EFT, PHD, is Professor and Discipline Liaison of Adult Education and Higher Education in the College of Education at Oregon State University. CATHERINE M. SLEEZER, PHD, works with Employee Training and Performance Improvement Specialists to consult on human resources. GREGORY SAMPSON, PHD, is an educational researcher with a wide variety of professional experiences. He has worked on the design and execution of numerous high-stakes grants and contracts, as well as taught at several universities. LAURA LEVITON, PHD, is Senior Advisor for Evaluation at the Robert Wood Johnson Foundation in Princeton, New Jersey.