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Table 15 Questions’ analysis in test-three (number of students’ attempts = 89)

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

Question Difficulty index Discrimination index Rpb
1 Moderately easy (0.708) Medium (0.409) Low(0.294)
2 Moderately easy (0.652) Medium (0.318) Low (0.258)
3 Moderately easy (0.764) Medium (0.409) Medium (0.360)
4 Moderately easy (0.640) Medium (0.318) Medium (0.300)
5 Moderately easy (0.663) High (0.636) Medium (0.504)
6 Moderately difficult (0.483) Medium (0.591) Medium (0.429)
7 Very difficult (0.337) Medium (0.455) Medium (0.433)
8 Moderately difficult (0.427) Medium (0.591) Medium (0.524)
9 Moderately easy (0.798) Medium (0.409) Medium (0.373)
10 Moderately easy (0.674) Medium (0.500) Medium (0.428)
11 Very difficult (0.247) Low (0.273) Low (0.239)
12 Moderately difficult (0.360) High (0.727) Medium (0.508)
13 Moderately difficult (0.416) Medium (0.591) Medium (0.465)
14 Moderately easy (0.730) Medium (0.545) Medium (0.476)