Discreteness Causes Bias in Percentage-Based Comparisons: A Case Study From Educational Testing.

Discretizing continuous distributions can lead to bias in parameter estimates. We present a case study from educational testing that illustrates dramatic consequences of discreteness when discretizing partitions differ across distributions. The percentage of test takers who score above a certain cut...

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Detalles Bibliográficos

Publicado en:	American Statistician Vol. 69; no. 3; pp. 174 - 182
Autores principales:	Yee, Darrick, Ho, Andrew
Formato:	Case Study
Publicado:	Taylor & Francis Ltd Aug2015
Materias:	Discretization methods Continuous distributions Gaussian distribution Least squares Probability density function
Acceso en línea:	Ver este registro en EBSCOhost