Table 6 Quality of questions for topic 2
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 | 2.40 (0.77) | 1.83 (0.7) | 1.87 (0.82) |
Human-GQ | 2.76 (0.48) | 2.43 (0.73) | 2.37 (0.70) |
Difference | t = 3.01 | t = 3.93 | t = 3.29 |
Significance | p = 0.0031 (significant) | p = 0.0001 (significant) | p = 0.0013 (significant) |