ui-psychologylisted
Install: claude install-skill TecCat/claude-skills
# UI Psychology Skill
Every design decision backed by psychology research.
Not just making interfaces look good, making users act.
Author: TecCat
Version: v2.0
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## Quick Mode Selection
| Situation | Mode |
|-----------|------|
| Existing design, want to know what is wrong | ANALYZE |
| Design a user journey | USERFLOW |
| Design spec from scratch | GENERATE |
| Full psychology scan of product | AUDIT |
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## 3-Layer Psychology Model
### Layer 1 - Perception
| Principle | Design Meaning |
|-----------|---------------|
| Pre-attentive attributes | Color, size, motion decide attention within 250ms |
| Visual hierarchy | F-pattern for content, Z-pattern for landing pages |
| Color psychology | Blue=trust, Red=urgency, Green=safety, Orange=energy |
| White space | More white space = higher perceived quality |
| Gestalt | Proximity groups elements; similarity signals category |
### Layer 2 - Cognition
| Principle | Design Meaning |
|-----------|---------------|
| Cognitive Load | Extra options and steps consume decision energy |
| Hick's Law | More options = slower decisions, keep to 7 or fewer |
| Miller's Law | Working memory limit is 7 plus or minus 2 items |
| Progressive disclosure | Show core first, expand on demand |
### Layer 3 - Behavior
| Principle | Design Meaning |
|-----------|---------------|
| Loss Aversion | Pain of losing = 2x pleasure of gaining |
| Anchoring Effect | First number sets reference for all judgments |
| Social Proof | User counts reduce