Variable | Knowledge acquisition | Ability improvement | Quality enhancement | Integrative achievement |
Attendance rate | 0.481 | 0.243 | 0.262 | 0.317 |
Number of questions answered | 0.656** | 0.542** | 0.304* | 0.587** |
Number of group discussions participated | 0.619** | 0.558** | 0.597* | 0.655** |
Number of issues proposed | 0.581** | 0.724** | 0.599** | 0.692** |
Number of comments | 0.346* | 0.602** | 0.461* | 0.582** |
Course materials viewing rate | 0.429* | 0.542** | 0.818** | 0.763** |