What is Visual Hierarchy? Visual hierarchy is the principle of arranging elements to show their order of importance. Designers structure visual characteristics—e. g., menu icons—so users...| The Interaction Design Foundation
Operant conditioning is a method of learning that occurs through rewards and punishments for behavior. Through operant conditioning, an individual makes an association between a particular behavior and a consequence. B.F Skinner is regarded as the father of operant conditioning and introduced a new term to behavioral psychology, reinforcement.| Simply Psychology
