This document summarizes key concepts from Chapter 15 of The Personality Puzzle, which discusses learning-based approaches to explaining personality, including behaviorism and social learning theory. It covers the basic principles of behaviorism, classical and operant conditioning, and criticisms of punishment. For social learning theory, it discusses the work of Dollard and Miller on habit hierarchies and frustration-aggression, as well as Rotter, Bandura, and Mischel's cognitive-affective personality system approach. The document aims to explain how learning principles can be applied to understand personality and behavior.