Item Selection Methods Based on Multiple Objective Approaches for Classifying Respondents Into Multiple Levels

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Abstract

Computerized classification tests classify examinees into two or more levels while maximizing accuracy and minimizing test length. The majority of currently available item selection methods maximize information at one point on the ability scale, but in a test with multiple cutting points selection methods could take all these points simultaneously into account. If for each cutting point one objective is specified, the objectives can be combined into one optimization function using multiple objective approaches. Simulation studies were used to compare the efficiency and accuracy of eight selection methods in a test based on the sequential probability ratio test. Small differences were found in accuracy and efficiency between different methods depending on the item pool and settings of the classification method. The size of the indifference region had little influence on accuracy but considerable influence on efficiency. Content and exposure control had little influence on accuracy and efficiency
Original languageEnglish
Pages (from-to)187-200
Number of pages14
JournalApplied psychological measurement
Volume38
Issue number3
DOIs
Publication statusPublished - 25 Nov 2014

Keywords

  • METIS-301186
  • IR-88749

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