A significance test for the hypothesis that two variables measure the same trait except for errors of measurement |
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| Authors: | Frederic M Lord |
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| Institution: | (1) Educational Testing Service, USA |
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| Abstract: | The likelihood-ratio significance test is derived for the hypothesis that after correction for attenuation two variables have a perfect correlation in the population from which the sample is drawn.The writer is indebted to Professor John W. Tukey for his valuable suggestions on an earlier draft. |
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