The Research on Web-Based Testing Environment Using Simulated Annealing Algorithm

Table 1

Item pools scale and parameters description.

Item pool	Item numbers	Average discrimination	Average difficult	Average guess factor
1	100	0.78	0.56	0.25
2	250	0.69	0.53	0.25
3	500	0.71	0.59	0.25
4	691	0.74	0.55	0.25