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Cheng, Ying-Yao; Wang, Wen-Chung; Ho, Yi-Hui – Educational and Psychological Measurement, 2009
Educational and psychological tests are often composed of multiple short subtests, each measuring a distinct latent trait. Unfortunately, short subtests suffer from low measurement precision, which makes the bandwidth-fidelity dilemma inevitable. In this study, the authors demonstrate how a multidimensional Rasch analysis can be employed to take…
Descriptors: Item Response Theory, Measurement, Correlation, Measures (Individuals)