"Attempts to factor analyze [the test of 48 items] were not successful due to the small sample size and large amounts of missing data for some questions. Eliminating questions with missing data and re-running the analysis produces inconsistent factor loadings with some questions having very low or negative loadings on the presumed underlying single factor."
But Rasch analysis was successful!
Bayley, S. (2000) Measuring customer satisfaction: Comparing traditional and latent trait approaches using the Auditor General's survey, Evaluation Journal of Australasia, vol 1:1, 8-17.
Rasch vs. Tradition. Bayley S. Rasch Measurement Transactions, 2001, 15:1 p.809
Rasch Publications | ||||
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Rasch Measurement Transactions (free, online) | Rasch Measurement research papers (free, online) | Probabilistic Models for Some Intelligence and Attainment Tests, Georg Rasch | Applying the Rasch Model 3rd. Ed., Bond & Fox | Best Test Design, Wright & Stone |
Rating Scale Analysis, Wright & Masters | Introduction to Rasch Measurement, E. Smith & R. Smith | Introduction to Many-Facet Rasch Measurement, Thomas Eckes | Invariant Measurement: Using Rasch Models in the Social, Behavioral, and Health Sciences, George Engelhard, Jr. | Statistical Analyses for Language Testers, Rita Green |
Rasch Models: Foundations, Recent Developments, and Applications, Fischer & Molenaar | Journal of Applied Measurement | Rasch models for measurement, David Andrich | Constructing Measures, Mark Wilson | Rasch Analysis in the Human Sciences, Boone, Stave, Yale |
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