Table 4. Fit to the Rasch model, summary fit statistics, n = 422.

		Item residual		Person residual		Chi square		Unidimensionality
Analysis name		Mean	SD	Mean	SD	Value	p	PSI	Test % (95% CI)
1	SocCap, 6 items	–0.63	1.94	–0.52	1.17	46.93	0.11	0.83	8.8 (6.4;11.9)
2	SocCap, 2 testlets	–0.08	0.96	–0.48	0.78	16.09	0.19	0.78	3.2 (1.8;5.4)
	Ideal values	0.0	<1.4	0.0	<1.4		>0.05	>0.7	(LCI <5%)

Acronyms. SD = Standard deviation, PSI = Person Separation Index, SocCap = Social Capital scales of the COPSOQ III.