Sigma

Design System

User Psychology

Landing Kit

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Sigma

UI/UX Design
Principles Library

User Psychology 3 • Ebook

Hick’s law

More choices mean slower decisions. Keep it simple.

Confirmation Bias

Users favor info that supports what they already believe.

Cognitive load

Too much info overwhelms. Simplify for clarity.

Anchoring Bias

Initial info heavily influences later decisions.

Nudge

Small design tweaks steer users toward better choices.

Fitts's Law

Larger, closer targets are easier and faster to click.

Attentional Bias

Users focus on emotionally charged elements.

Empathy Gap

Users misjudge how emotions affect future decisions.

Visual Anchors

Visual anchors, guide attention and focus naturally.

Peak-End Rule

Judging experiences by their peak and end moments.

Visual Hierarchy

Design order guides attention and improves readability.

Sensory Appeal

Attracting attention through sight, sound, or touch.

Skeuomorphism

Design elements mimic real-world objects for familiarity.

Social Proof

People follow the actions of others to guide decisions.

Hawthorne Effect

People change behavior when they feel observed.

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