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A note on the normal ogive or logistic curve in item analysis |
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| Authors: | Frederic M. Lord |
| Affiliation: | (1) Educational Testing Service, USA |
| Abstract: | It is common to assume that the proportion of correct answers to an item has a normal-ogive or logistic relationship to total test score. However, this is shown to be a mistaken and an undesirable notion. |
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