Table 2.

Internal consistency, test–retest reliability and inter-rater reliability of feline behavior and personality factors. ICC = intraclass correlation coefficient.

	Internal Consistency		Test–Retest Reliability	Inter-Rater Reliability
Factor	Cronbach’s Alpha	Guttman’s Lambda 6	Correlation	ICC(1,1)	ICC(1,k)
Fearfulness	0.90	0.93	0.91	0.65	0.79
Activity/playfulness	0.84	0.87	0.89	0.65	0.78
Aggression toward humans	0.83	0.88	0.92	0.61	0.75
Sociability toward humans	0.70	0.76	0.82	0.71	0.83
Sociability toward cats	0.83	0.86	0.78	0.72	0.84
Excessive grooming	0.66	0.60	0.69	0.87	0.93
Litterbox issues	0.60	0.61	0.81	0.83	0.91
Mean	0.77	0.79	0.83	0.72	0.83