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. 2020 Oct;12(4):278–283. doi: 10.34172/mejdd.2020.194

Table 1 . Evaluation of content validity index (CVI) for questions of 12-PSS .

Question Relevance Simplicity Clarity Ambiguity
1 100% 100% 100% 100%
2 100% 100% 100% 100%
3 100% 100% 83.33% 83.33%
4 83.33% 83.33% 83.33% 83.33%
5 100% 100% 100% 83.33%
6 100% 100% 100%v 100%
7 100% 100% 100% 100%
8 100% 100% 100% 100%
9 100% 100% 100% 100%
10 100% 100% 100% 100%
11 100% 100% 100% 100%
12 100% 100% 100% 100%