Is the CVI an acceptable indicator of content validity? Appraisal and recommendations.
Is the CVI an acceptable indicator of content validity? Appraisal and recommendations.
D. Polit,Cheryl Tatano Beck,S. Owen
2007 · DOI: 10.1002/NUR.20199
Research in Nursing and Health · 4,640 Citations
TLDR
This work translates item-level CVIs (I-CVIs) into values of a modified kappa statistic and suggests that items with an I-CVI of .78 or higher for three or more experts could be considered evidence of good content validity.