. Author manuscript; available in PMC: 2018 Dec 1.

Published in final edited form as: Assessment. 2016 Apr 6;24(8):1062–1079. doi: 10.1177/1073191116640355

Table 1.

Summary of Sample Descriptives and Model Fit Statistics Reported in Previous Studies Examining SRP-SF Factor Structure

Name	N	Country	Sample type	Age	% female	df	X²	TLI	CFI	RMSEA
Neumann et al., 2009	1,730	USA	Community, Undergraduate, Criminal	not reported	not reported			.93		.07
4 factor								.93		.08
Neumann et al., 2012	425	USA	Community	24-26	0
6 factor (with Youth Psychopathic Traits Inventory, no antisocial factor)								.93		.08
3 factor (as predictor of external correlates)								.92		.09
Carré et al., 2013	200	USA	Community	18-20	58.5%
4 factor						344	631.63		.94	.06
Seara-Cardoso et al., 2012	124	England	Community	18-48	0
2 factor						1.00	2.82		.99
Seara-Cardoso et al., 2013	100	England	Community	18-56	100
2 factor ⁸						1.00	.76		1.00
Foulkes et al., 2014	101	England	Community	18-54	0
2 factor⁹						1.00	.30		1.00
4 factor									.90	.05
Welker et al., 2014	237	USA	Undergraduate	18-26	51.9
2 factor						349	806.73		.89	.08
4 factor¹⁰						344	728.25		.91	.07

Note. df= degrees of freedom. TLI= Tucker-Lewis index. CFI= comparative fit index. RMSEA= root mean square error of approximation.

⁸

Fit better than 1 factor (χ² (1) = 6.65, p < .05)

⁹

2 factor fit better than a 1 factor (χ² (1) = 4.42, p < .05)

¹⁰

4 factor fit better than 2 factor (Δ χ² (5) = 78.47, p < .001)