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Erschienen in:
2018 | OriginalPaper | Buchkapitel
Modeling Accidental Mistakes in Multistage Testing: A Simulation Study
verfasst von : Thales A. M. Ricarte, Mariana Cúri, Alina A. von Davier
Erschienen in: Quantitative Psychology
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Abstract
Stress in tests may cause individuals to underperform. In an adaptive test context, earlier mistakes due to stress can raise the risk of administering inadequate items to the examenees leading to an underestimation of their ability. In this paper, the effects of accidental mistakes on the first stage of an Multistage Adaptive Testing (MST) were analyzed in a simulation study. Two Item Response Theory models were used in this study: the Two-Parameter Logistic and the Logistic Positive Exponent models. Two groups were created: one group had a probability of making accidental mistakes and one did not have this probability. Comparison of latent trait estimates accuracy and the impact on the item selection process of the MST (Routing) between these two models were made. Results shows that both models had similar performance with slightly differences depending on the procedures to simulate the responses.