The content validity index: Are you sure you know what's being reported? critique and recommendations

F. Polit, Denise; Tatano Beck, Cheryl

doi:10.1002/nur.20147

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The content validity index: Are you sure you know what's being reported? critique and recommendations

Published in Research in Nursing & Health • Jan 1, 2006

Authors:

Denise F. Polit

Cheryl Tatano Beck

Abstract

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...

Subject

Content validity

Scale (ratio)

Content (measure theory)

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