Aesthetic-Usability Effect
Users often perceive aesthetically pleasing design as design that’s more usable.
Chunking
A process by which individual pieces of an information set are broken down and then grouped together in a meaningful whole.
Cognitive Bias
A systematic error of thinking or rationality in judgment that influence our perception of the world and our decision-making ability.
Cognitive Load
The amount of mental resources needed to understand and interact with an interface.
Doherty Threshold
Productivity soars when a computer and its users interact at a pace (<400ms) that ensures that neither has to wait on the other.
Fitts’s Law
The time to acquire a target is a function of the distance to and size of the target.
Flow
The mental state in which a person performing some activity is fully immersed in a feeling of energized focus, full involvement, and enjoyment in the process of the activity.
Goal-Gradient Effect
The tendency to approach a goal increases with proximity to the goal.
Hick’s Law
The time it takes to make a decision increases with the number and complexity of choices.
Jakob’s Law
Users spend most of their time on other sites. This means that users prefer your site to work the same way as all the other sites they already know.