, Volume 22, Issue 3, pp 207–220 | Cite as

A significance test for the hypothesis that two variables measure the same trait except for errors of measurement

  • Frederic M. Lord


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.


Attenuation Public Policy Significance Test Statistical Theory Perfect Correlation 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Psychometric Society 1957

Authors and Affiliations

  • Frederic M. Lord
    • 1
  1. 1.Educational Testing ServiceUSA

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