Novice
Use cases were mentioned or shown but it wasn’t clear how they informed the design.
Competent
Use cases were organized and demonstrated a sensible level of detail for the project. At least some connections were made between use cases and design decisions. Research evidence is provided to support the use cases.
Proficient
Multiple use cases have been considered and prioritized with alternate flows in mind. Design decisions are thorougly informed by use cases. Research evidence strongly supports the use cases.
Expert
Use cases are seamlessly integrated with personas and scenarios. They have been prioritized in accordance with user, business, and technical goals. The use cases help make it clear what needs to be built and why.