UNA SOLUCION A LA ESTIMACION INICIAL EN LOS TESTS ADAPTATIVOS INFORMATIZADOS
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Palabras clave

computerized adaptive tests
maximun-likehood estimation
initial estimation

Cómo citar

Revuelta, J., & Ponsoda, V. (2012). UNA SOLUCION A LA ESTIMACION INICIAL EN LOS TESTS ADAPTATIVOS INFORMATIZADOS. R.E.M.A. Revista electrónica De metodología Aplicada, 2(2), 1–6. https://doi.org/10.17811/rema.2.2.1997.1-6

Resumen

A new method for computing ability estimates when the response vector contains only
errors or correct responses is proposed. It is based on the Stepsize method (Dodd, 1990).
Instead of taking as the new ability the midpoint between the last computed ability and the
corresponding extreme b- value, the new method proposes as the new estimate the mean of a
truncated normal (0, 1) distribution. Last ability estimate and the correponding extreme b-value
are the points in which the normal distribution truncates
https://doi.org/10.17811/rema.2.2.1997.1-6
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