Research Article

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

Table 1

Real classical test theory parameters and parameters obtained by RA, GARA, MC, and GAMC.

Item numberReal parametersRAGARAMCGAMC

10.500.370.490.210.490.210.510.490.500.39
20.380.370.500.220.500.210.320.460.360.39
30.570.460.500.220.500.220.590.610.560.45
40.510.360.490.180.490.210.520.480.510.29
50.450.330.500.230.500.220.430.440.450.34
60.740.460.500.190.500.200.800.560.770.48
70.720.380.490.200.490.210.800.480.750.39
80.620.570.510.190.510.190.640.690.610.58
90.420.350.500.230.500.230.390.480.420.37
100.750.430.500.210.500.230.810.510.750.40
110.670.530.490.260.490.260.700.650.660.53
120.660.490.500.190.500.180.700.610.670.50
130.660.490.490.210.490.210.700.620.650.49
140.590.510.490.220.490.220.610.650.590.53
150.620.440.500.230.500.220.660.580.620.44
160.680.520.490.230.490.240.730.650.690.52
170.750.590.500.190.500.180.780.690.730.59
180.630.510.500.210.500.210.660.640.630.52
190.430.420.500.230.500.230.410.530.430.44
200.790.500.490.230.490.230.830.580.810.51
210.460.470.490.230.490.230.440.580.440.47
220.410.340.490.200.490.200.380.450.410.35
230.580.520.500.220.500.210.600.660.580.53
240.730.560.500.210.500.200.770.670.720.52
250.760.590.490.210.490.220.790.670.610.30
260.520.410.500.180.500.180.520.550.520.37
270.760.610.500.230.500.270.780.710.740.55
280.480.320.490.210.490.210.470.440.470.34
290.570.560.490.210.490.230.590.700.570.57
300.730.590.490.210.490.200.760.700.720.59
310.670.600.500.240.500.240.690.730.670.61
320.770.560.490.190.490.200.810.660.770.55
330.580.570.490.230.490.230.600.700.580.58
340.660.500.500.210.500.210.690.640.660.51
350.580.540.500.200.500.200.600.680.580.56
360.520.560.500.230.500.230.530.690.530.57

RMSE4.959.694.959.611.074.250.410.84
14.6414.565.321.25