| Main Categories | Sub-categories | |||
| Constraints | Appointed without choice | Face-to-face course was fully registered | Appointed time for registration was over |
|
| Time | Requires less time investment | Flexible learning time | Self-paced study |
|
| Schedule | Decrease schedule load | Enable taking other courses | Hours of face-to-face course are inconvenient |
|
| Learning environment | Quiet learning environment/ learning with music | Comfortable learning environment | Personal conditions for learning |
|
| Other | The lecturer | Fun | Wants to try a new learning approach | Tried Face-to-face and failed |