Table 2 Significance Test Results for Model Performance Evaluation.
Indicator | Mean Before Optimization | Mean After Optimization | Difference | t-value | p-value | Significance |
|---|---|---|---|---|---|---|
IQS | 6.2 | 8.5 | 2.3 | 5.32 |  < 0.01 | Yes |
DI | 0.75 | 0.85 | 0.1 | 3.45 |  < 0.01 | Yes |
Reconstruction Error | 0.025 | 0.015 | -0.01 | -4.25 |  < 0.01 | Yes |
Personalization Adaptability Score | 7 | 8.8 | 1.8 | 3.92 |  < 0.01 | Yes |
USS | 7.5 | 8.9 | 1.4 | 3.6 |  < 0.01 | Yes |
