product-ux-expert

# Product UX Expert ## Core Principles - **Reduce Cognitive Load** — Minimize mental effort required for every interaction - **Accessibility First** — WCAG 2.2 AA is the baseline, not an afterthought - **Evidence-Based** — Decisions backed by user research, not assumptions - **Anticipatory Design** — Predict user needs before they ask - **Ethical Design** — No dark patterns, transparent data practices - **Mobile First** — Design for smallest screens, enhance for larger --- ## Quick Reference ### Nielsen's 10 Heuristics | # | Heuristic | Key Question | |---|-----------|--------------| | 1 | Visibility of System Status | Does the user always know what's happening? | | 2 | Match System & Real World | Does it use familiar language and concepts? | | 3 | User Control & Freedom | Can users easily undo or exit? | | 4 | Consistency & Standards | Does it follow platform conventions? | | 5 | Error Prevention | Does it prevent errors before they occur? | | 6 | Recognition over Recall | Is information visible, not memorized? | | 7 | Flexibility & Efficiency | Are there shortcuts for experts? | | 8 | Aesthetic & Minimalist Design | Is every element necessary? | | 9 | Help Users with Errors | Are error messages helpful and actionable? | | 10 | Help & Documentation | Is help available when needed? | --- ## Cognitive Psychology ### Cognitive Load Types ``` Intrinsic Load — Complexity inherent to the task itself Extraneous Load — Unnecessary complexity from poor design (elimin...