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Reliability and Item Response Modelling: Myths, Observations and Applications

Overview. What is reliability?Does reliability have a role in an IRT contextJML, MML, CMLHow reliable can a test be?Is high reliability important?. Classical Reliability. Idea introduced by Spearman (1904)?accidental errors attenuated relations between observed scoresReliability Coefficient (

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Reliability and Item Response Modelling: Myths, Observations and Applications

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    1. Reliability and Item Response Modelling: Myths, Observations and Applications Raymond J. Adams University of Melbourne

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