Conditional Statistical Inference with Multistage Testing Designs

Robert Zwitser () and Gunter Maris

Psychometrika, 2015, vol. 80, issue 1, 65-84

Abstract: In this paper it is demonstrated how statistical inference from multistage test designs can be made based on the conditional likelihood. Special attention is given to parameter estimation, as well as the evaluation of model fit. Two reasons are provided why the fit of simple measurement models is expected to be better in adaptive designs, compared to linear designs: more parameters are available for the same number of observations; and undesirable response behavior, like slipping and guessing, might be avoided owing to a better match between item difficulty and examinee proficiency. The results are illustrated with simulated data, as well as with real data. Copyright The Psychometric Society 2015

Keywords: multistage testing; adaptive testing; item response theory; parameter estimation; conditional maximum likelihood (search for similar items in EconPapers)
Date: 2015
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DOI: 10.1007/s11336-013-9369-6

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