Table 3 -. Summary of statistics of the correlation of items of the TMMS-24 sub-scales in nursing students, Concepción, Chile, 2012.

		Mean	Minimum	Maximum	Range	Maximum/minimum	Variance	Items
Sub-Scale 1 – Emotional Perception
	Mean of items	3.47	2.84	4.15	1.30	1.45	.22	8
	Variance of items	1.23	.954	1.426	.472	1.49	.02	8
	Inter-item correlation	.482	.246	.688	.442	2.797	.017	8
Sub-Scale 2 – Emotional Comprehension
	Mean of items	3.40	3.18	3.65	.46	1.14	.02	8
	Variance of items	1.24	.99	1.56	.57	1.58	.03	8
	Inter-element correlation	.49	.27	.67	.39	2.41	.01	8
Sub-Scale 3 – Emotional Regulation
	Mean of elements	3.73	3.05	4.60	1.54	1.50	.18	8
	Variance of elements	1.21	.52	1.65	1.12	3.12	.10	8
	Inter-element correlation	.42	.18	.72	.53	3.88	.02	8