1. Introduce yourself.
2. Describe the purpose of the observation.
3. Tell the participant that it's okay to quit at any time.
4. Talk about the equipment in the room.
5. Explain how to ìthink aloud.
6. Explain that you cannot provide help.
7. Describe the tasks and introduce the product.
8. Ask if there are any questions before you start; then begin the observation.
9. Conclude the observation.
10. Use the results.