1) The document provides an overview of the main theories of learning that have emerged from research, beginning with behaviourist theories based on conditioning principles from early 20th century experiments. 2) It then discusses criticisms of behaviourism, leading to new cognitivist and constructivist perspectives that view learning as an active process of constructing knowledge and developing more complex thinking over time. 3) The implications of these different theories for teaching practice are outlined, such as a shift from a teacher-centered approach based on reinforcement to one that facilitates active learning.