Questions — Structured Problem Definition
**Q1 — What exactly is happening?**Observable facts only — no assumptions. Example: People pay but don't register.
**Q2 — When does it happen?**Frequency, timing, triggers — be precise. Example: Directly after purchasing.
**Q3 — Who is affected & what is the impact?**People, systems, business consequences. Example: Members cannot access content.
**Q4 — What do we know vs. assume?**Separate confirmed facts from guesses. Example: ….
**Q5 — What have we already tried?**Document attempts so you don't repeat them. Example: ….
Questions — The 5 WhysSame symptom, 4 different angles
Use case: Paid members of a community platform don’t log in after purchase. The same Why chain leads to a very different root cause depending on the fishbone branch.
Symptom: Members who paid do not register on Circle — Why?
Technology
Root cause: No technical integration exists between the payment processor and Circle to auto-activate membership.