Table 4.

Chi-square tests and changes in McFadden’s pseudoR² for DIF detection.

	Model 1 vs. Model 2		Model 1 vs. Model 3		Model 2 vs. Model 3
	p-Value χ2 Test	PseudoR2 ∆ McFadden	p-Value χ2 Test	PseudoR2 ∆ McFadden	p-Value χ2 Test	PseudoR2 ∆ McFadden
PB1	0.000	0.053	0.000	0.088	0.000	0.035
PB2	0.082	0.006	0.199	0.006	0.645	0.000
PB4	0.000	0.045	0.000	0.053	0.054	0.007
PB5	0.847	0.000	0.968	0.000	0.867	0.000
PB7	0.921	0.000	0.403	0.002	0.179	0.002
PB9	0.038	0.005	0.053	0.007	0.212	0.002
PB10	0.190	0.002	0.290	0.003	0.383	0.000
PB12	0.000	0.025	0.000	0.038	0.004	0.013
PB13	0.000	0.016	0.002	0.016	0.630	0.000
PB15	0.000	0.084	0.000	0.087	0.106	0.003