- Thou shall have no other interviewers except one
- Thou shalt not make unto thee any graven image outside of test scope
- Thou shalt not take the copy in the UI in speech
- Remember the interview day, to keep it on time
- Honour thy designer and stakeholders
- Thou shall not explain thy design
- Thou shall stay silent in the middle of a task
- Thou shall observe during a task and probe after
- Thou shall not ask leading questions
- Thou shall test thy design with at least 5 people