articleMeasurement and Evaluation in Counseling and DevelopmentDec 13, 2013Closed access

Critical Values for Lawshe’s Content Validity Ratio

CAColin AyreASAndy Scally

University of Bradford

Indexed incrossref

Abstract

The content validity ratio originally proposed by Lawshe is widely used to quantify content validity and yet methods used to calculate the original critical values were never reported. Methods for original calculation of critical values are suggested along with tables of exact binomial probabilities.

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Topics & keywords

Topics
Keywords
  • Psychology
  • Content (measure theory)
  • Content validity
  • Statistics
  • Test validity
  • Psychometrics
  • Mathematics
  • Clinical psychology
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