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Table 14 Questions’ analysis in test-two (number of students’ attempts = 88)

From: Evaluating the quality of the ontology-based auto-generated questions

Question Difficulty index Discrimination index Rpb
1 Moderately difficult (0.580) Medium (0.409) Low (0.297)
2 Moderately easy (0.739) Medium (0.318) Low (0.241)
3 Moderately difficult (0.545) Low (0.273) Low (0.196)
4 Moderately easy (0.761) Medium (0.318) Low (0.274)
5 Moderately difficult (0.432) Medium (0.409) Medium (0.382)
6 Moderately difficult (0.420) Medium (0.500) Medium (0.488)
7 Moderately easy (0.614) Low (0.182) Low (0.193)
8 Very difficult (0.295) Medium (0.455) Medium (0.368)
9 Moderately difficult (0.432) High (0.682) Medium (0.489)
10 Moderately difficult (0.523) Medium (0.318) Low (0.263)
11 Very difficult (0.284) Medium (0.409) Medium (0.378)
12 Moderately easy (0.773) Medium (0.545) Medium (0.457)
13 Moderately difficult (0.489) High (0.727) Medium (0.524)
14 Moderately easy (0.625) Medium (0.455) Medium (0.455)
15 Moderately easy (0.636) Medium (0.500) Medium (0.371)
16 Moderately difficult (0.500) Medium (0.545) Medium (0.518)