Adaptive testing in medicine is one of the newer applications of this modern psychometric paradigm. A recent article in the The Journal of Bone & Joint Surgery, Volume 95, Issue 20 evaluates the use of computerized adaptive testing (CAT) approaches in assessment of psychological factors surrounding perceived disability and pain. Researchers from the Partners health system report favorable findings, namely that the CAT assessments provided in the Patient Reported Outcomes Measurement Information System (PROMIS) correlate highly with older paper-based assessments that will typically take much longer to administer. Such findings are typical in this sort of research. For example, the MHCAT project, in which Assessment Systems was involved, published this article which notes that test length was reduced by 95% – yes, 95%! – while maintaining a correlation of the short CAT assessment with the original long assessment of 0.93. Why would a practitioner keep using an outdated assessment that takes 20 times as long to complete?
The Bone & Joint article was also discussed in the Helio website on medical news.
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