The content validity index
Are you sure you know what's being reported? critique and recommendations
Bibliographic Data
| ID | 23313145 |
|---|---|
| Authors | Denise F Polit (Griffith University, corresponding author), Cheryl Tatano Beck (0000-0001-6130-2887, University of Connecticut) |
| Year | 2006 |
| Volume | 29 |
| Issue | 5 |
| Pages | 489-497 |
| Publication date | 2006-10-01 |
| Peer Reviewed | Yes |
| Open Access | Yes |
| Type | ARTICLE |
| Venue | Research in Nursing & Health (JOURNAL) |
| Journal identifiers | ISSN: 0160-6891 • E-ISSN: 1098-240X |
| Publisher | Wiley (PUBLISHER • GB) |
| DOI | 10.1002/nur.20147 |
| PMID | 16977646 |
| OpenAlex | W2016660511 |
| Language | EN |
| Citations received | 614 |
| References cited | 20 |
Scale developers often provide evidence of content validity by computing a content validity index (CVI), using ratings of item relevance by content experts. We analyzed how nurse researchers have defined and calculated the CVI, and found considerable consistency for item-level CVIs (I-CVIs). However, there are two alternative, but unacknowledged, methods of computing the scale-level index (S-CVI). One method requires universal agreement among experts, but a less conservative method averages the item-level CVIs. Using backward inference with a purposive sample of scale development studies, we found that both methods are being used by nurse researchers, although it was not always possible to infer the calculation method. The two approaches can lead to different values, making it risky to draw conclusions about content validity. Scale developers should indicate which method was used to provide readers with interpretable content validity information.
Consistency (knowledge bases) · Content (measure theory) · Content validity · Criterion validity · Index (typography) · Inference · Information retrieval · Internal consistency · Nonprobability sampling · Psychometrics · Relevance (law) · Scale (ratio) · World Wide Web · Applied Psychology · Artificial Intelligence · Clinical Psychology · Computer Science · Health Education and Validation · Health Literacy and Information Accessibility · Mathematics · Medicine · Psychology · Psychometric Methodologies and Testing
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The development and evaluation of content validity of the Zambia Spina Bifida Functional Measure
Development and Initial Validation of the Children’s Hardiness Scale
Validation of the Chinese version of the perceived medical school stress (PMSS) scale and analysis of the associated factors
Translation, validity and reliability of the Malay version of the adult carer quality of life questionnaire (AC-QOL) in informal caregivers of stroke survivors in Kelantan, Malaysia
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Psychometric characteristics of the Chinese version of the patient participation scale
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| Unique citing works | 614 |
|---|---|
| Citations per year | 32,32 |
| Citation span | 2007 - 2026 (20) |
| Citation velocity | current |
| Highly cited | Yes |
| Citation types | Neutral: 563 |