Fundamentals of Item Response Theory

Front Cover
By using familiar concepts from classical measurement methods and basic statistics, this book introduces the basics of item response theory (IRT) and explains the application of IRT methods to problems in test construction, identification of potentially biased test items, test equating and computerized-adaptive testing. The book also includes a thorough discussion of alternative procedures for estimating IRT parameters and concludes with an exploration of new directions in IRT research and development.
 

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Contents

Concepts Models and Features
7
Ability and Item Parameter Estimation
32
Assessment of ModelData Fit
53
The Ability Scale
77
Item and Test Information and Efficiency Functions
91
Test Construction
99
Identification of Potentially Biased Test Items
109
Test Score Equating
123
Computerized Adaptive Testing
145
Future Directions of Item Response Theory
153
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