TABLE 4.

Differential item functioning (DIF) for gender.

	Uniform DIF		Non-uniform DIF
Item	Change in estimation	DIF	P[Dif(LL)]	DIF
1	−0.01	No	0.38	No
2	0.02	No	0.43	No
3	0.01	No	0.22	No
4	0.02	No	0.52	No
5	0.01	No	0.44	No
6	0.00	No	0.86	No
7	−0.01	No	0.62	No
8	−0.01	No	0.44	No

Uniform DIF if change in estimation > 0.1, non-uniform DIF if p-value of the difference of likelihood-ratio < 0.05.