Chihyun Lee's Course Certificate: The Practical Guide to Usability

Design user interfaces that are logical and easy to understand by organizing content and actions around clear user goals.

Apply usability and human psychology principles in design to reduce friction, prevent errors, and support confident use.

Evaluate usability with heuristic reviews and cognitive walkthroughs to identify issues before development and launch.

Plan effective user testing by defining goals, tasks, and success criteria that match real usage.

Conduct user tests with real users to uncover pain points, validate assumptions, and improve design quality.

Turn evaluation and testing findings into improvements by prioritizing issues and iterating toward higher usability.

Run a usability-focused design process end to end to ensure experiences are not only functional but consistently easy to use.