Research Article

Applying Genetic Algorithm to Generation of High-Dimensional Item Response Data

Table 2

Real item response theory parameters and parameters obtained by RA, GARA, MC, and GAMC.

Item numberReal parametersRAGARAMCGAMC

10.0600.7130.2000.1480.1980.1491.1140.2100.0500.790
20.8260.7620.0750.1910.0770.1851.2340.1730.7740.891
3−0.2471.0220.0970.1860.0970.1961.6350.183−0.2600.988
4−0.0110.6750.2320.1300.1200.1721.0570.241−0.0130.523
50.3990.6330.0460.2100.0500.1920.9680.1470.3740.668
6−1.1101.1430.0470.1450.0480.1421.7330.181−1.2211.229
7−1.2510.8420.2280.1600.1650.1791.3100.174−1.4390.880
8−0.3921.507−0.2280.127−0.2110.1372.2090.161−0.3781.567
90.5830.6780.0230.1860.0200.2141.1600.1920.5130.767
10−1.2041.0460.0190.165−0.0170.1851.4920.223−1.3630.935
11−0.6441.3210.1510.2460.1450.2572.0010.179−0.6501.314
12−0.6741.1320.1500.1300.1530.1271.7310.215−0.7211.192
13−0.6731.1380.1530.1650.1530.1651.7610.219−0.6621.151
14−0.3451.1830.3140.1890.3090.1921.8650.164−0.3481.282
15−0.5300.9710.0970.1860.1010.1771.5030.202−0.5640.950
16−0.7051.3390.2460.1610.2440.1632.0040.206−0.7641.281
17−0.8781.8880.0440.1450.0480.1312.6960.193−0.8611.717
18−0.4891.2140.0550.1740.0540.1761.8590.202−0.4971.277
190.4710.8510.1020.1920.1010.1941.3710.2030.3901.015
20−1.1701.5210.1160.1960.1150.1992.1140.196−1.3151.495
210.2871.0370.1850.1920.1760.1951.6460.2120.3041.126
220.6610.6680.1850.1390.1830.1411.0670.1380.6070.708
23−0.2771.245−0.0710.209−0.0710.2081.9280.166−0.2841.284
24−0.8701.6290.1280.1520.1310.1492.3670.132−0.9141.336
25−0.9001.9890.1190.1870.1130.1972.7050.189−0.8360.528
26−0.0290.8410.1590.1260.1460.1371.3600.215−0.0680.738
27−0.8752.1700.0880.1870.0610.3003.0530.701−0.9301.505
280.2370.5850.2570.1580.2600.1560.9400.1910.2590.659
29−0.2291.4360.2210.1820.1530.2112.2780.223−0.2231.469
30−0.8041.8970.3470.1710.3500.1692.7330.241−0.7851.679
31−0.5701.8130.0280.2250.0290.2222.7230.189−0.5741.707
32−0.9841.8720.1660.1300.1630.1322.6870.189−1.0761.567
33−0.2421.4760.1600.2080.1640.2042.3260.254−0.2401.541
34−0.6291.1980.0920.1780.0930.1761.8640.191−0.6621.210
35−0.2591.355−0.0300.160−0.0300.1582.1040.205−0.2511.407
36−0.0241.4460.0120.1720.0120.1802.2920.213−0.0451.520

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