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- W1991971946 abstract "The paper deals with the introduction of empirical prior information in the estimation of candidate’s ability within computerized adaptive testing (CAT). CAT is generally applied to improve efficiency of test administration. In this paper, it is shown how the inclusion of background variables both in the initialization and the ability estimation is able to improve the accuracy of ability estimates. In particular, a Gibbs sampler scheme is proposed in the phases of interim and final ability estimation. By using both simulated and real data, it is proved that the method produces more accurate ability estimates, especially for short tests and when reproducing boundary abilities. This implies that operational problems of CAT related to weak measurement precision under particular conditions, can be reduced as well. In the empirical examples, the methods were applied to CAT for intelligence testing in the area of personnel selection and to educational measurement. Other promising applications would be in the medical world, where testing efficiency is of paramount importance as well." @default.
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- W1991971946 date "2012-10-17" @default.
- W1991971946 modified "2023-10-01" @default.
- W1991971946 title "On the use of MCMC computerized adaptive testing with empirical prior information to improve efficiency" @default.
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- W1991971946 doi "https://doi.org/10.1007/s10260-012-0216-1" @default.
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