How much,if at all,does playback of simulation video help the debriefing process?

Relationship between teaching and learning

These questions can be raised about specific issues and types of debriefing. There are also some more general
questions about debriefing:

1. Do all types of simulations need a debrief, and if some do, what benefits have been demonstrated?

2. Is self-debriefing or written debriefing sufficient or is a facilitator really needed?

3. How much,if at all,does playback of simulation video help the debriefing process?

4. Do specific methods of debriefing have specific benefits, or are they all alike?