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Meyers, Jason L.; Miller, G. Edward; Way, Walter D. – Applied Measurement in Education, 2009
In operational testing programs using item response theory (IRT), item parameter invariance is threatened when an item appears in a different location on the live test than it did when it was field tested. This study utilizes data from a large state's assessments to model change in Rasch item difficulty (RID) as a function of item position change,…
Descriptors: Test Items, Test Content, Testing Programs, Simulation
Kitao, S. Kathleen; Kitao, Kenji – 1999
This book covers essential problems and basic concepts of English language testing. There are 20 chapters in four sections. Section 1, "Background," includes: (1) "Why Teachers Test"; (2) "Some Definitions"; (3) "Validity and Reliability"; and (4) "What You Should Learn about Standardized Tests." Section 2, "Preparing To Write Tests," includes:…
Descriptors: Communication Skills, Computer Uses in Education, Data Analysis, English (Second Language)