Summary statistics for student perceptions of AI-Generated feedback (N = 93)
| Construct | Mean (1–5) | SD | Median | 95% CI | Cronbach's α | Effect size (Cohen's d) |
|---|---|---|---|---|---|---|
| Clarity of Explanations | 4.13 | 0.63 | 4.00 | [4.00, 4.26] | 0.84 | 1.79 |
| Multimedia Engagement | 4.27 | 0.57 | 4.00 | [4.15, 4.39] | 0.81 | 2.23 |
| Relevance to Misconceptions | 4.05 | 0.71 | 4.00 | [3.91, 4.19] | 0.86 | 1.48 |
| Usefulness for Understanding | 4.04 | 0.59 | 4.00 | [3.92, 4.16] | 0.83 | 1.76 |
| Cognitive Challenge | 3.88 | 0.82 | 4.00 | [3.71, 4.05] | 0.79 | 1.07 |
| Affective Engagement | 4.10 | 0.65 | 4.00 | [3.97, 4.23] | 0.82 | 1.69 |
| Actionability | 4.17 | 0.64 | 4.00 | [4.04, 4.30] | 0.85 | 1.83 |
| Construct | Mean (1–5) | SD | Median | 95% CI | Cronbach's α | Effect size (Cohen's d) |
|---|---|---|---|---|---|---|
| Clarity of Explanations | 4.13 | 0.63 | 4.00 | [4.00, 4.26] | 0.84 | 1.79 |
| Multimedia Engagement | 4.27 | 0.57 | 4.00 | [4.15, 4.39] | 0.81 | 2.23 |
| Relevance to Misconceptions | 4.05 | 0.71 | 4.00 | [3.91, 4.19] | 0.86 | 1.48 |
| Usefulness for Understanding | 4.04 | 0.59 | 4.00 | [3.92, 4.16] | 0.83 | 1.76 |
| Cognitive Challenge | 3.88 | 0.82 | 4.00 | [3.71, 4.05] | 0.79 | 1.07 |
| Affective Engagement | 4.10 | 0.65 | 4.00 | [3.97, 4.23] | 0.82 | 1.69 |
| Actionability | 4.17 | 0.64 | 4.00 | [4.04, 4.30] | 0.85 | 1.83 |