NotesFAQContact Us
Collection
Advanced
Search Tips
50 Years of ERIC
50 Years of ERIC
The Education Resources Information Center (ERIC) is celebrating its 50th Birthday! First opened on May 15th, 1964 ERIC continues the long tradition of ongoing innovation and enhancement.

Learn more about the history of ERIC here. PDF icon

Back to results
Peer reviewed Peer reviewed
Direct linkDirect link
ERIC Number: EJ1021072
Record Type: Journal
Publication Date: 2014-Jan
Pages: 8
Abstractor: As Provided
Reference Count: 6
ISBN: N/A
ISSN: ISSN-0748-1756
Critical Values for Lawshe's Content Validity Ratio: Revisiting the Original Methods of Calculation
Ayre, Colin; Scally, Andrew John
Measurement and Evaluation in Counseling and Development, v47 n1 p79-86 Jan 2014
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.
Descriptors: Content Validity, Methods, Computation, Probability
SAGE Publications. 2455 Teller Road, Thousand Oaks, CA 91320. Tel: 800-818-7243; Tel: 805-499-9774; Fax: 800-583-2665; e-mail: journals@sagepub.com; Web site: http://sagepub.com
Publication Type: Journal Articles; Reports - Evaluative
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A
Identifiers: N/A