Maximum likelihood estimation of item response parameters when some responses are omitted |
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| Authors: | Frederic M Lord |
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| Institution: | (1) Educational Testing Service, 08541 Princeton, New Jersey |
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| Abstract: | A theoretical model is given for dealing with omitted responses. Two special cases are investigated.This work was supported in part by contract N00014-80-C-0402, project designation NR 150-453 between the Office of Naval Research and Educational Testing Service. Reproduction in whole or in part is permitted for any purpose of the United States Government. |
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| Keywords: | guessing item response theory latent trait theory formula scoring correction for guessing |
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