Table 2.

Summary statistics and internal consistency of the UWES-9 (N = 914)

Scale	Mean	SD	IQR	α	IIR range	ITR range
Engagement	3.52	1.08	2.89–4.22	.88	.19–.67	.44–.75
Vigor	3.72	1.21	3.00–4.67	.74	.39–.63	.48–.65
Dedication	3.89	1.20	3.00–4.67	.77	.46–.62	.53–.65
Absorption	2.97	1.26	2.33–3.67	.70	.37–.57	.43–.57

SD standard deviation, IQR interquartile range, α Cronbach’s alpha, IIR inter-item correlation, ITR item–total correlation