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A test for conditional independence between response time and accuracy

Datum:
8 juni 2015
Auteur:
Auteur: Bolsinova, M., & Maris, G.
Opdrachtgever:
Cito

An important distinction between different models for response time and accuracy is whether conditional independence (CI) between response time and accuracy is assumed. In the present study, a test for CI given an exponential family model for accuracy (for example, the Rasch model or the one‐parameter logistic model) is proposed and evaluated in a simulation study. The procedure is based on the non‐parametric Kolmogorov–Smirnov tests. As an illustrative example, the CI test was applied to data from an arithmetics test for secondary education.

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