1. Have open-ended questions to produce revealing answers.
  2. Good follow up questions.
  3. Good listening to get more depth in an answer.
  4. Research the questions you want to ask.
  5. Consider where your subject will be placed.
  6. Take any necessary precautions to avoid mishaps.
  7. Position microphone close to subject, and monitor the sound.
  8. Use medium shots.
  9. Blur backgrounds, while still keeping a sense of place.
  10. Interview people in their environment.