310 likes | 561 Views
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 (
E N D
1. Reliability and Item Response Modelling: Myths, Observations and Applications Raymond J. Adams University of Melbourne