These item parameters are from Table 6.6 and the theta distributions
are from Table 6.10 of "Test Equating Methods and Practices" by Michael
Kolen and Robert Brennan.
$ Item_Parameters	Form X
3	0.455118	-0.710086	0.208748
6	0.583871	-0.856669	0.203834
9	0.754398	0.021221	0.159961
12	0.663274	0.050618	0.123961
15	1.068977	0.961047	0.298628
18	0.967194	0.194976	0.053538
21	0.347868	2.276794	0.148927
24	1.457918	1.024128	0.245270
30	0.701952	2.240131	0.085290
33	1.407967	1.555634	0.078897
36	1.299285	2.158933	0.107530
$ Link_Item_Parameters	Form Y
3	0.441595	-1.334933	0.155883
6	0.572995	-1.321004	0.191298
9	0.598719	-0.709831	0.117663
12	0.604125	-0.353942	0.081759
15	0.990164	0.531956	0.302443
18	0.808079	-0.115649	0.064791
21	0.413973	2.553812	0.240967
24	1.355437	0.581109	0.224322
30	0.633562	1.896027	0.079396
33	1.134661	1.079013	0.063009
36	0.925521	2.133706	0.125873
$ Theta_Distribution	Form X
-0.4000E+01	0.1008E-03
-0.3111E+01	0.2760E-02
-0.2222E+01	0.3021E-01
-0.1333E+01	0.1420E+00
-0.4444E+00	0.3149E+00
0.4444E+00	0.3158E+00
0.1333E+01	0.1542E+00
0.2222E+01	0.3596E-01
0.3111E+01	0.3925E-02
0.4000E+01	0.1862E-03
$ Link_Theta_Distribution	Form Y
-0.4000E+01	0.1173E-03
-0.3111E+01	0.3242E-02
-0.2222E+01	0.3449E-01
-0.1333E+01	0.1471E+00
-0.4444E+00	0.3148E+00
0.4444E+00	0.3110E+00
0.1333E+01	0.1526E+00
0.2222E+01	0.3406E-01
0.3111E+01	0.2510E-02
0.4000E+01	0.1116E-03
