"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
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