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Doing less but getting more: Improving forced-choice measures with IRT.

Brown, Anna, Bartram, Dave (2009) Doing less but getting more: Improving forced-choice measures with IRT. In: Society for Industrial & Organizational Psychology annual conference, 2-4 April 2009, New Orleans. (Unpublished) (doi:10.1037/e518422013-570) (KAR id:44788)


Multidimensional forced-choice (MFC) questionnaires typically show good validities and are resistant to impression management effects. However, they yield ipsative data, which distorts scale relationships and makes comparisons between people problematic. Depressed reliability estimates also led developers to create tests of potentially excessive length. We apply an IRT Preference Model to make more efficient use of information in existing MFC questionnaires. OPQ32i used for selection and assessment internationally is examined using this approach. The latent scores recovered from a much reduced number of MFC items are superior to the full test?s ipsative scores, and comparable to unbiased normative scores.

Item Type: Conference or workshop item (Paper)
DOI/Identification number: 10.1037/e518422013-570
Subjects: B Philosophy. Psychology. Religion > BF Psychology
H Social Sciences > HA Statistics
Divisions: Divisions > Division of Human and Social Sciences > School of Psychology
Depositing User: Anna Brown
Date Deposited: 18 Nov 2014 10:59 UTC
Last Modified: 09 Mar 2023 11:33 UTC
Resource URI: (The current URI for this page, for reference purposes)

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