Table 4.

Classical test theory, as well as Rasch and Mokken indices for the STAI-T5 at the scale level.

Index	Value	Suggested Cutoff
Cronbach’s alpha (α)	0.88	>0.7
Composite reliability (CR)	0.92	>0.7
Average variance extracted (AVE)	0.69	>0.5
Maximum shared variance (MSV)	0.44	<AVE
Average shared variance (ASV)	0.36	<AVE
Standard error of measurement	2.12	Small values
Item separation reliability (Rasch)	0.96	>0.8
Item separation index (Rasch)	4.82	>3
Person separation reliability (Rasch)	0.83	>0.8
Person separation index (Rasch)	2.19	>2
Unexplained variance in the first contrast (Rasch)	1.93 a	<2
Scale H (Mokken)	0.64	>0.50
Mokken scale reliability (MSrho)	0.89	>0.70

Note. ^a Eigenvalue.