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. 2007:16 Suppl 1:109-19.
doi: 10.1007/s11136-007-9169-5. Epub 2007 Feb 10.

Methodological issues for building item banks and computerized adaptive scales

David Thissen  1 , Bryce B Reeve, Jakob Bue Bjorner, Chih-Hung Chang
Affiliations

Methodological issues for building item banks and computerized adaptive scales

David Thissen et al. Qual Life Res. 2007.

Abstract

This paper reviews important methodological considerations for developing item banks and computerized adaptive scales (commonly called computerized adaptive tests in the educational measurement literature, yielding the acronym CAT), including issues of the reference population, dimensionality, dichotomous versus polytomous response scales, differential item functioning (DIF) and conditional scoring, mode effects, the impact of local dependence, and innovative approaches to assessment using CATs in health outcomes research.

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