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March 1, 1989Biometrics8,872 citations

A Concordance Correlation Coefficient to Evaluate Reproducibility

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LLLiang‐In Lin

Key Points

  • To develop and study a new reproducibility index based on the correlation between readings on a 45-degree line.
  • Developed a reproducibility index based on correlation coefficients.
  • Validated the index through a Monte Carlo experiment with 5,000 runs.
  • Evaluated statistical properties using inverse hyperbolic tangent transformation.
  • The new index effectively measures reproducibility.
  • Monte Carlo results confirm the validity of the reproducibility index.
  • The index showed desirable properties for practical application.

Abstract

A new reproducibility index is developed and studied. This index is the correlation between the two readings that fall on the 45 degree line through the origin. It is simple to use and possesses desirable properties. The statistical properties of this estimate can be satisfactorily evaluated using an inverse hyperbolic tangent transformation. A Monte Carlo experiment with 5,000 runs was performed to confirm the estimate's validity. An application using actual data is given.

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Cite This Study

Liang‐In Lin (1989) studied this question.

synapsesocial.com/papers/69c8089d4b6614b566c93e20https://doi.org/10.2307/2532051
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