Edge cases
Edge cases reveal hidden context
- What if the user is new, rushed, unsure, or returning?
- What if information is missing, stale, private, or high-stakes?
- What if the user needs to recover, cancel, or change their mind?
Quality lens
User conditionFirst time, returning, expert, uncertain, assisted, distracted.
System conditionIncomplete data, unavailable option, payment failure, late change.
Product conditionDeadline, privacy, cost, safety, compliance, support burden.