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- W4254420699 abstract "The presence of rapid guessing (RG) presents a challenge to practitioners in obtaining accurate estimates of measurement properties and examinee ability. In response to this concern, researchers have utilized response times as a proxy of RG, and have attempted to improve parameter estimation accuracy by filtering RG responses using popular scoring approaches, such as the Effort-moderated IRT (EM-IRT) model. However, such an approach assumes that RG can be correctly identified based on an indirect proxy of examinee behavior. A failure to meet this assumption leads to the inclusion of distortive and psychometrically uninformative information in parameter estimates. To address this issue, a simulation study was conducted to examine how violations to the assumption of correct RG classification influences EM-IRT item and ability parameter estimation accuracy and compares these results to parameter estimates from the three-parameter logistic (3PL) model, which includes RG responses in scoring. Two RG misclassification factors were manipulated: type (underclassification vs. overclassification) and rate (10%, 30%, and 50%). Results indicated that the EMIRT model provided improved item parameter estimation over the 3PL model regardless of misclassification type and rate. Furthermore, under most conditions, increased rates of RG underclassification were associated with the greatest bias in ability parameter estimates from the EM-IRT model. In spite of this, the EM-IRT model with RG misclassifications demonstrated more accurate ability parameter estimation than the 3PL model when the mean ability of RG subgroups did not differ. This suggests that in certain situations it may be better for practitioners to: (a) imperfectly identify RG than to ignore the presence of such invalid responses, and (b) select liberal over conservative response time thresholds to mitigate bias from underclassified RG." @default.
- W4254420699 created "2022-05-12" @default.
- W4254420699 creator A5001735587 @default.
- W4254420699 date "2021-04-23" @default.
- W4254420699 modified "2023-09-25" @default.
- W4254420699 title "Assessing the Accuracy of Parameter Estimates in the Presence of Rapid Guessing Misclassifications" @default.
- W4254420699 doi "https://doi.org/10.31234/osf.io/tws5a" @default.
- W4254420699 hasPublicationYear "2021" @default.
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