This document provides an introduction to classical and operant conditioning theories of learning. It defines learning as a long-term change in behavior based on experience. Classical conditioning is described through Pavlov's dog experiment in which dogs learned to associate the sound of a bell with food. Operant conditioning is explained as how behavior is strengthened or weakened by consequences, like reinforcement and punishment. Examples are given of positive and negative reinforcement as well as positive and negative punishment. The document aims to explain how environments and consequences impact behavior.