. Author manuscript; available in PMC: 2010 Mar 9.

Published in final edited form as: J Int Neuropsychol Soc. 2009 Jul 2;15(5):758–768. doi: 10.1017/S1355617709990361

Table 3. DIF results using hierarchical logistic regression.

Item #	Name	χ²			R²

		Step 1	Step 3	Difference	Step 1	Step 3	Difference
35	Dominoes	138.59	156.67	18.08	0.326	0.363	0.037
37	Escalator	83.13	103.85	20.72	0.262	0.323	0.061
38	Harp	219.89	228.91	9.02	0.528	0.546	0.018
39	Hammock	246.20	260.31	14.11	0.444	0.464	0.020
41	Pelican	196.86	212.92	16.06	0.365	0.390	0.025
44	Muzzle	110.99	150.76	39.77	0.215	0.284	0.069
45	Unicorn	351.79	362.30	10.51	0.548	0.561	0.013
48	Noose	201.23	215.02	13.79	0.378	0.400	0.022
51	Latch	45.16	68.45	23.29	0.087	0.130	0.043
52	Tripod	293.81	337.52	43.71	0.474	0.528	0.054
54	Tongs	163.15	177.76	14.61	0.298	0.322	0.024
58	Palette	328.29	370.83	42.54	0.520	0.570	0.050
59	Protractor	98.39	107.52	9.13	0.244	0.265	0.021
60	Abacus	285.20	299.31	14.11	0.492	0.510	0.018