Table 3.

Intraclass correlation coefficients indicating levels of agreement both between coders (inter-rater reliability) and within each of the four coders (intra-rater reliability) for each term of the QBA.

Term	Inter	Intra
		Coder 1	Coder 2	Coder 3	Coder 4
Anxious	0.65	0.83	0.99	0.77	0.61
Alert	0.41	0.24	0.97	0.60	0.78
Bored	0.67	0.05	0.94	0.75	-
Calm	0.56	0.79	0.97	0.56	0.42
Comfortable	0.65	0.69	0.98	0.87	0.61
Curious	0.53	0.70	0.99	0.58	0.42
Depressed	0.65	0.45	0.97	0.84	-
Engaged	0.45	0.58	1.00	0.94	0.65
Excited	0.66	0.42	0.98	0.90	0.11
Explorative	0.34	0.67	0.97	0.77	0.52
Fearful	0.79	0.72	0.65	−0.01	-
Frustrated	0.47	0.66	0.84	0.91	0.49
Hesitant	0.72	0.68	0.79	0.74	0.77
Interested	0.48	0.49	1.00	0.87	0.80
Lethargic	0.59	0.40	-	−0.09	-
Nervous	0.64	0.49	0.99	0.36	0.26
Playful	0.45	0.13	0.92	0.40	0.00
Reactive	0.62	0.38	0.97	0.88	0.75
Relaxed	0.60	0.72	0.95	0.76	0.65
Restless	0.50	0.90	0.96	0.75	0.66
Sad	0.70	0.52	0.83	0.61	−0.02
Stressed	0.66	0.64	0.95	0.75	0.36
Tense	0.70	0.59	0.99	0.23	0.54
Uncomfortable	0.70	0.68	0.95	0.72	0.59