Preface
Published online by Cambridge University Press: 08 January 2010
Summary
This book describes the outcome of a research program that began in the mid-1980s. In the more than two decades since, many debts, both intellectual and financial, have been incurred. We are delighted to have the opportunity to acknowledge the help and express our gratitude.
First, organizational thanks are due to the National Board of Medical Examiners and its president, Donald Melnick, who has supported this work for the past five years. Senior Vice President Ronald Nungester and Associate Vice President Brian Clauser's enthusiasm for this work is especially appreciated.
Second, our gratitude to the Educational Testing Service (ETS), which employed all of us during the critical period in which the Bayesian version of testlet response theory was being birthed, is equally sincere. Henry Braun, then Vice President of Research at ETS, was a crucial voice in committees that provided support for this project. His enthusiasm and wise counsel were appreciated then and now. The funding organizations that provided support were the Graduate Record Board, the TOEFL Board, the College Board, the Joint Scientific Research and Development Committee, the Law School Admissions Council, and the research budget of ETS. We are also grateful to Kurt Landgraf, president of ETS, whose wise leadership made continued support of basic research financially possible.
Intellectual debts are harder to keep track of than financial ones, and if we have omitted anyone we hope that the lapse will be recognized as one of memory and not ingratitude.
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- Testlet Response Theory and Its Applications , pp. ix - xiiPublisher: Cambridge University PressPrint publication year: 2007