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Model performance by question type
| ChatGPT | Gemini | |||||
|---|---|---|---|---|---|---|
| Mean ± SD | Median(IQR) | Mean ± SD | Median(IQR) | Test statistics | p (Wilcoxon test) | |
| Section | ||||||
| MCQ | 3.89 ± 0.97 | 4(2) | 4,62 ± 0,67 | 5(1) | -3.892 | < 0.001 |
| T/F | 4.04 ± 0.79 | 4(1.250) | 4,7 ± 0,54 | 5(1) | -4.056 | < 0.001 |
| Open-ended | 4.31 ± 0.65 | 4(1) | 4,62 ± 0,53 | 5(1) | -2.435 | 0.007 |
| Test statistics | 7.92 | 1.04 | ||||
| p (Kruskal–Wallis Test) | 0.019 | |||||
