The ecometric properties of a measurement instrument for prospective risk analysis in hospital departments

Table 8 Minimum required sample size for acceptable reliability at the departmental level*

*Number of respondents*	*BRF Procedures*	*BRF Training*	*BRF Communication*	*BRF Incompatible Goals*	*BRF Organization*
	Reliability coefficient
20	0.54	0.55	0.57	0.38	0.59
25	0.60	0.60	0.62	0.43	0.64
30	0.64	0.65	0.66	0.48	0.69
40	0.70	0.71	0.72	0.55	0.74
50	0.75	0.75	0.76	0.60	0.78
75	0.82	0.82	0.83	0.70	0.84
100	0.86	0.86	0.87	0.75	0.88
125	0.88	0.88	0.89	0.79	0.90
150	0.90	0.90	0.91	0.82	0.92
200	0.92	0.92	0.93	0.86	0.94
250	0.94	0.94	0.94	0.88	0.95

*A reliability coefficient of less than 0.70 is considered below the minimum value for acceptable reliability.

ISSN: 1472-6963