Testlet Theory Applications (English, Howard Wainer | Eric T. Bradlow | Xiaohui Wang)

About the Book

The measurement models employed to score tests have been evolving over the past century from those that focus on the entire test (true score theory) to models that focus on individual test items (item response theory) to models that use small groups of items (testlets) as the fungible unit from which tests are constructed and scored (testlet response theory, or TRT). In this book, the inventors of TRT trace the history of this evolution and expla…

ISBN: 9780521862721