| Similarity | Rank | |
|---|---|---|
| interactivity | 0.665 | 22014 |
| virtual_space | 0.622 | 66084 |
| interaction_design | 0.609 | 53126 |
| learn_object | 0.602 | 89446 |
| hypertext | 0.591 | 55381 |
| user_interaction | 0.590 | 70310 |
| virtual_world | 0.584 | 17622 |
| social_learning | 0.583 | 77991 |
| interface_design | 0.581 | 81836 |
| human-computer_interaction | 0.579 | 89515 |
| digital_game | 0.577 | 87057 |
| cognitive_process | 0.573 | 70008 |
| mobile_learning | 0.571 | 80340 |
| perceptual | 0.568 | 53568 |
| haptic | 0.567 | 75281 |
| affective | 0.566 | 37334 |
| learn_theory | 0.564 | 91706 |
| gamification | 0.561 | 44180 |
| collaborative_learning | 0.557 | 65435 |
| semantic | 0.556 | 25511 |
| game_mechanic | 0.553 | 72280 |
| pedagogical | 0.553 | 35575 |
| intentionality | 0.551 | 68159 |
| contextual | 0.551 | 29125 |
| social_interaction | 0.551 | 14242 |