The document discusses several theories of human learning including Pavlov's classical behaviorism, Skinner's operant conditioning, Ausubel's meaningful learning theory, and Rogers' humanistic psychology. It also covers types of learning in language acquisition such as signal learning, stimulus-response learning, chaining, multiple discriminations, concept learning, and problem solving. Additionally, the document discusses transfer, interference, and overgeneralization in learning as well as aptitude, intelligence, inductive and deductive reasoning.