The document discusses three teaching methods: the developmental method, supervised study, and the guided discovery method. The developmental method follows the preparation, presentation, comparison, and generalization steps. It has advantages like training problem solving but disadvantages like not developing lab skills. Supervised study emphasizes skill development and helps students learn how to study with teacher guidance. The guided discovery method helps students learn autonomously by directing them to discover solutions on their own through invention, discovery, and exploration steps, but it requires more time and teacher training than traditional methods.