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Usability Evaluation in UI/UX Design - Coggle Diagram
Usability Evaluation in UI/UX Design
Importance of Usability Evaluation
Identify usability issues before launch (save time & cost)
Ensure product meets user needs (increase satisfaction)
Provide actionable feedback (improve design & function)
Goals of Usability Evaluation
Improve overall user experience
Identify & fix usability problems
Real-World Example
Amazon checkout process testing
Usability Testing in UX Process
Early Design (Wireframe): Paper prototypes, navigation flow
Prototype Development: Interactive prototype, task testing (e.g., add to cart)
Final Product Release: A/B testing, post-launch surveys
Evaluation Techniques
Cognitive Walkthrough: Step-by-step task simulation (good for new users, may miss expert issues)
Heuristic Evaluation: Compare with usability heuristics (fast, low-cost, depends on evaluator skill)
Review-Based Evaluation: Use past studies (cost-effective, may not directly apply)
Model-Based Evaluation: Predictive models (good for early stages, less realistic)
Mini Case Study (Food Delivery App)
Heuristic Evaluation: Check labeling, navigation → issues: unclear buttons, confusing flow
Cognitive Walkthrough: Simulate order step-by-step → issues: promo codes/customization confusing
Reflection
Most Useful for Students: Heuristic Evaluation
Cost-effective, fast
Builds usability knowledge
Encourages critical thinking