From: A valid assessment of students’ skill in determining relationships on evolutionary trees
Question | Distracter | Difficulty | Discrimination |
---|---|---|---|
1 | Node counting | 0.50 | 0.55 |
2 | Similarity | 0.79 | 0.42 |
3 | Proximity | 0.66 | 0.54 |
4 | None | 0.80 | 0.53 |
5 | Similarity | 0.70 | 0.56 |
6 | Proximity | 0.70 | 0.57 |
7 | None | 0.61 | 0.67 |
8 | Node counting | 0.67 | 0.56 |
9 | Similarity | 0.60 | 0.60 |
10 | None | 0.77 | 0.59 |
11 | None | 0.60 | 0.69 |
12 | Proximity | 0.53 | 0.76 |
13 | Similarity | 0.77 | 0.49 |
14 | Node counting | 0.54 | 0.73 |
15 | Proximity | 0.52 | 0.75 |
16 | None | 0.66 | 0.70 |
17 | Multiple | 0.46 | 0.61 |
18 | Multiple | 0.60 | 0.67 |