| 2D | 2 Dimensional |
| 3D | 3 Dimensional |
| AR | Augmented Reality |
| ITS | Intelligent Tutoring System |
| MMLA | Multimodal Learning Analytics |
| PT | Presentation Trainer |
| pTM | Percentage of Time in Mistake |
| QoE | Quality of Experience |
| RQ | Research Question |
| UDP | User Datagram Protocol |
| VR | Virtual Reality |
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