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Critical Values for Lawshe’s Content Validity Ratio: Revisiting the Original Methods of Calculation

Ayre, Colin, Scally, Andrew John·2014·Measurement and Evaluation in Counseling and Development

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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Metadata

Authors
Ayre, C., & Scally, A. J.
Venue
Measurement and Evaluation in Counseling and Development
Published
2014-01
Volume
47
Issue
1
Pages
79-86
ISSN
  • 0748-1756 (ISSN-L)
  • 1947-6302
OpenAlex
W1973902957
Cited by
1,502
References
1
FWCI
7.71
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Critical Values for Lawshe’s Content Validity Ratio: Revisiting the Original Methods of Calculation. https://app.cochat.ai/papers/10.1177/0748175613513808
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Ayre, C., & Scally, A. J. (2014). Critical Values for Lawshe’s Content Validity Ratio: Revisiting the Original Methods of Calculation. Measurement and Evaluation in Counseling and Development. https://doi.org/10.1177/0748175613513808

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