Table 1.

Generating Parameter Values

		$K=2$	$K=5$
Items	${\beta }_i$	$b_{i1}$	$d_1$	$d_2$	$d_3$	$d_4$	$b_{i1}$	$b_{i2}$	$b_{i3}$	$b_{i4}$
1, 16	1.0	-1.0	1.2	0.4	-0.4	-1.2	-2.2	-1.4	-0.6	0.2
2, 17	1.5	-1.0	1.2	0.4	-0.4	-1.2	-2.2	-1.4	-0.6	0.2
3, 18	2.0	-1.0	1.2	0.4	-0.4	-1.2	-2.2	-1.4	-0.6	0.2
4, 19	1.0	-0.5	1.2	0.4	-0.4	-1.2	-1.7	-0.9	-0.1	0.7
5, 20	1.5	-0.5	1.2	0.4	-0.4	-1.2	-1.7	-0.9	-0.1	0.7
6, 21	2.0	-0.5	1.2	0.4	-0.4	-1.2	-1.7	-0.9	-0.1	0.7
7, 22	1.0	0.0	1.2	0.4	-0.4	-1.2	-1.2	-0.4	0.4	1.2
8, 23	1.5	0.0	1.2	0.4	-0.4	-1.2	-1.2	-0.4	0.4	1.2
9, 24	2.0	0.0	1.2	0.4	-0.4	-1.2	-1.2	-0.4	0.4	1.2
10, 25	1.0	0.5	1.2	0.4	-0.4	-1.2	-0.7	0.1	0.9	1.7
11, 26	1.5	0.5	1.2	0.4	-0.4	-1.2	-0.7	0.1	0.9	1.7
12, 27	2.0	0.5	1.2	0.4	-0.4	-1.2	-0.7	0.1	0.9	1.7
13, 28	1.0	1.0	1.2	0.4	-0.4	-1.2	-0.2	0.6	1.4	2.2
14, 29	1.5	1.0	1.2	0.4	-0.4	-1.2	-0.2	0.6	1.4	2.2
15, 30	2.0	1.0	1.2	0.4	-0.4	-1.2	-0.2	0.6	1.4	2.2