Sample Size Determination for Rasch Model Tests |
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Authors: | Clemens Draxler |
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Institution: | (1) Counseling, Educational, Psychology, and Special Education Department, Michigan State University, 461 Erickson Hall, East Lansing, MI 48824-1034, USA;; |
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Abstract: | This paper is concerned with supplementing statistical tests for the Rasch model so that additionally to the probability of
the error of the first kind (Type I probability) the probability of the error of the second kind (Type II probability) can
be controlled at a predetermined level by basing the test on the appropriate number of observations. An approach to determining
a practically meaningful extent of model deviation is proposed, and the approximate distribution of the Wald test is derived
under the extent of model deviation of interest. |
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Keywords: | |
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