A strategy for optimizing item-pool management

Research output: Contribution to journalArticleProfessional

5 Citations (Scopus)

Abstract

Item-pool management requires a balancing act between the input of new items into the pool and the output of tests assembled from it. A strategy for optimizing item-pool management is presented that is based on the idea of a periodic update of an optimal blueprint for the item pool to tune item production to test assembly. A simulation study with scenarios involving different levels of quality of the initial item pool, item writing, and management for a previous item pool from the Law School Admission Test (LSAT) showed that good item-pool management had about the same main effects on the item-writing costs and the number of feasible tests as good item writing, but the two factors showed strong interaction effects.
Original languageEnglish
Pages (from-to)85-96
Number of pages11
JournalJournal of educational measurement
Volume43
Issue number2
DOIs
Publication statusPublished - 2006

Keywords

  • IR-58409
  • METIS-234090

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