Loading…
Loading…
From cognitive biases to visual design — understand the psychology, methods, and frameworks that shape every interface.
People assess probability based on how easily they can recall examples, overweighting vivid and recent events.
Users spend most of their time on other sites and prefer yours to work the same way.
Decision time increases logarithmically with the number of choices.
Time to reach a target depends on distance and size.
Use our 378+ free design tools to apply what you've learned — contrast checking, spacing scales, typography, and more.