| Method characteristics | EEG | Blood pressure | Heart rate | Eye activity | Motion analysis | GSR |
| High accuracy | ✓ |
|
| ✓ |
| ✓ |
| Emotional intensity | ✓ |
|
|
|
| ✓ |
| Easy to analyse data | ✓ | ✓ |
| ✓ | ✓ | |
| Real-time | ✓ | ✓ |
| ✓ | ✓ | ✓ |
| Cost-efficient |
| ✓ | ✓ |
| ✓ | ✓ |