#9871. Adaptive Weight Estimation of Latent Ability: Application to Computerized Adaptive Testing With Response Revision

September 2026publication date
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Journal’s subject area:
Social Sciences (miscellaneous);
Education;
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Abstract:
An adaptive weight estimation approach is proposed to provide robust latent ability estimation in computerized adaptive testing (CAT) with response revision. This approach assigns different weights to each distinct response to the same item when response revision is allowed in CAT. Two types of weight estimation procedures, nonfunctional and functional weight, are proposed to determine the weight adaptively based on the compatibility of each revised response with the assumed statistical model in relation to remaining observations. The application of this estimation approach to a data set collected from a large-scale multistage adaptive testing demonstrates the capability of this method to reveal more information regarding the test taker’s latent ability by using the valid response path compared with only using the very last response. Limited simulation studies were concluded to evaluate the proposed ability estimation method and to compare it with several other estimation procedures in literature.
Keywords:
adaptive weight estimation; computerized adaptive testing; response revision; robust estimation

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