Laws of UX: Using Psychology to Design Better Products Hick's Law: The time it takes to make a decision increases with the number of choices available. Fitts' Law: The time it takes to move a cursor to a target increases with the distance to the target and decreases with the size of the target. Gestalt Principles: The brain organizes visual information into meaningful patterns. Cognitive Load Theory: The amount of information that can be processed by the brain at one time is limited. Mental Models: Users have expectations about how products should work based on their past experiences. Affordance: The design of an object should suggest how it can be used. Feedback: Users need to be informed about the results of their actions. Consistency: The design of a product should be consistent throughout. Error Prevention: The design of a product should help users avoid making errors. Accessibility: The design of a product should be accessible to users with disabilities.