Table 8 Quality of questions for topic 3
From: Evaluation of a question generation approach using semantic web for supporting argumentation
Understandability | Relevance | Usefulness | |
|---|---|---|---|
Mean (s.d.) | Mean (s.d.) | Mean (s.d.) | |
System-GQ | 2.21 (0.72) | 1.92 (0.88) | 1.71 (0.69) |
Human-GQ | 2.27 (0.80) | 2.21 (0.78) | 2.04 (0.76) |
Difference | t = 0.33 | t = 1.54 | t = 1.89 |
Significance | p = 0.7397 (not significant) | p = 0.1272 (not significant) | p = 0.0613 (not significant) |