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Kang, Sun-Mee; Waller, Niels G. – Applied Psychological Measurement, 2005
Two Monte Carlo studies were conducted to explore the Type I error rates in moderated multiple regression (MMR) of observed scores and estimated latent trait scores from a two-parameter logistic item response theory (IRT) model. The results of both studies showed that MMR Type I error rates were substantially higher than the nominal alpha levels…
Descriptors: Multiple Regression Analysis, Interaction, Monte Carlo Methods, Item Response Theory