Table 4.

Summary of internal consistency coefficients

	Item rest correlation	Cronbach's α (if item deleted)a
Motor response	0.39	0.69
Verbal response	0.49	0.63
Visual response	0.48	0.61
Facial expression	0.58	0.54
Total NCS score	–	0.68
Total NCS‐R score	–	0.61

Internal consistency from Vink et al. (2014).

^aCronbach's α if item deleted values from NCS with four items. Values for total NCS and NCS‐R scores denote total scale internal consistency.