A principle stating that a system should be liberal in what it accepts and conservative in what it sends, meaning it should handle user input flexibly while providing clear, consistent output, similar to the principle of fault tolerance.
The degree to which users feel they have control over their actions and decisions when interacting with a product or system.
The principle stating that there is a limit to the amount of complexity that users can handle, and if designers don't manage complexity, users will.
The study of how humans interact with systems and products, focusing on improving usability and performance.
The ability of users to influence the behavior and outcomes of a system or product, allowing them to interact with it according to their preferences.
The process of enabling users to take control of their interactions with a product or system, enhancing their confidence and satisfaction.
A dark pattern where it's easy to subscribe but very difficult to cancel the subscription.
The process of anticipating, detecting, and resolving errors in software or systems to ensure smooth operation.
A model by Don Norman outlining the cognitive steps users take when interacting with a system: goal formation, planning, specifying, performing, perceiving, interpreting, and comparing.