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Direct linkKim, Seonghoon; Feldt, Leonard S. – Asia Pacific Education Review, 2010
The primary purpose of this study is to investigate the mathematical characteristics of the test reliability coefficient rho[subscript XX'] as a function of item response theory (IRT) parameters and present the lower and upper bounds of the coefficient. Another purpose is to examine relative performances of the IRT reliability statistics and two…
Descriptors: Testing, Test Reliability, Statistics, Item Response Theory
