Some relationships between the information function of IRT and the signal/noise ratio and reliability coefficient of classical test theory |
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| Authors: | W. Alan Nicewander |
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| Affiliation: | (1) Department of Psychology, University of Oklahoma, 73019 Norman, OK |
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| Abstract: | It is shown that IRTs information function for an item is functionally related to  local versions of classical test theories' signal/noise ratio and reliability coefficient. |
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| Keywords: | test theory IRT reliability information |
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