Psychometric properties of the Persian version of the Cultural Competence Scale in Clinical Nurses.

Two items with a content validity ratio of 0.6 were removed. In the case of the content validity index, one item with a content validity index lower than 0.70 was removed. The mean content validity index for the scale was reported as 0.99. All 31 items with an impact score index higher than 1.5 were approved. The exploratory factor analysis revealed four factors explaining 59.92% of the total variance. Cronbach's alpha and the intraclass correlation coefficient were calculated at 0.95 and 0.94, respectively.