From: Psychometric properties of the Coronavirus Anxiety Scale based on Classical Test Theory (CTT) and Item Response Theory (IRT) models among Chinese front-line healthcare workers
Item
Number giving a rating of 3 or 4
I-CVI
S-CVIAve
Item 1
4
0.800
0.920
Item 2
5
1.000
Item 3
Item 4
Item 5