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Direct linkFinch, W. Holmes; Hernández Finch, Maria E. – Educational and Psychological Measurement, 2013
The assessment of test data for the presence of differential item functioning (DIF) is a key component of instrument development and validation. Among the many methods that have been used successfully in such analyses is the mixture modeling approach. Using this approach to identify the presence of DIF has been touted as potentially superior for…
Descriptors: Learning Disabilities, Testing Accommodations, Test Bias, Item Response Theory
