Table 4.
Multivariate regression analysis of moderating effects by technical characteristics.
| Moderation variable | β | SE | 95% CI | t | p | R 2 |
|---|---|---|---|---|---|---|
| AI personalisation level | 0.186 | |||||
| Basic adaptive (ref) | – | – | – | – | – | |
| Moderately customisable | 0.16* | 0.073 | [0.02, 0.30] | 2.19 | 0.032 | |
| Highly personalised | 0.31*** | 0.089 | [0.13, 0.49] | 3.48 | <0.001 | |
| Feedback mechanism | 0.134 | |||||
| Delayed feedback (ref) | – | – | – | – | – | |
| Instant feedback | 0.21** | 0.081 | [0.05, 0.37] | 2.59 | 0.012 | |
| Adaptive feedback | 0.28*** | 0.087 | [0.11, 0.45] | 3.22 | 0.002 | |
| Multimodal integration | 0.20** | 0.075 | [0.05, 0.35] | 2.67 | 0.010 | 0.098 |
| Social interaction function | 0.17* | 0.072 | [0.03, 0.31] | 2.36 | 0.022 | 0.076 |
ref = reference group; **p < 0.05, ***p < 0.01, *p < 0.001.