Leaderboards and badges

1. Learning Journey vs Learning Cycle (Gamification-Based Learning Tips)
2. Constructivist Learning vs Connectivist Learning (Gamification-Based Learning Tips)
3. Assessment vs Evaluation (Gamification-Based Learning Tips)
4. Peer Learning vs Self-Learning (Gamification-Based Learning Tips)
5. Achievements vs Challenges (Gamification Achievement Systems Tips)
6. Game Advancement vs Player Advancement (Gamification Player Progression Tips)
7. Interactive Learning vs Engaged Learning (Gamification-Based Learning Tips)
8. Tradable vs Sellable (Virtual Economy Gamification Tips)