Factors influencing success in quality-improvement collaboratives: development and psychometric testing of an instrument

Table 4 Intercorrelations and reliabilities among scales

	Items	Alpha coefficient	Interitem correlation (lowest to highest)	Interscale correlation
Scale				1	2	3
1. Sufficient expert panel support	7	.85	.255-.712
2. Effective multidisciplinary teamwork	18	.89	.046-.777	.205
3. Helpful collaborative processes	15	.88	.132-.834	.388**	.398**

ISSN: 1748-5908