All UX Laws

30 principles for designing interfaces that match how people think, decide, and remember.

• Aesthetic-Usability EffectVisual Hierarchy & Perception
• Choice OverloadCognitive Load & Decision Making
• ChunkingCognitive Load & Decision Making
• Cognitive BiasAttention & Focus
• Cognitive LoadCognitive Load & Decision Making
• Doherty ThresholdInteraction & Behavior
• Fitts's LawInteraction & Behavior
• FlowInteraction & Behavior
• Goal-Gradient EffectInteraction & Behavior
• Hick's LawCognitive Load & Decision Making
• Jakob's LawSystem Design Principles
• Law of Common RegionVisual Hierarchy & Perception
• Law of ProximityVisual Hierarchy & Perception
• Law of PrägnanzVisual Hierarchy & Perception
• Law of SimilarityVisual Hierarchy & Perception
• Law of Uniform ConnectednessVisual Hierarchy & Perception
• Mental ModelAttention & Focus
• Miller's LawCognitive Load & Decision Making
• Occam's RazorSystem Design Principles
• Paradox of the Active UserAttention & Focus
• Pareto PrincipleSystem Design Principles
• Parkinson's LawAttention & Focus
• Peak-End RuleMemory & Recall
• Postel's LawSystem Design Principles
• Selective AttentionAttention & Focus
• Serial Position EffectMemory & Recall
• Tesler's LawSystem Design Principles
• Von Restorff EffectVisual Hierarchy & Perception
• Working MemoryMemory & Recall
• Zeigarnik EffectMemory & Recall