Observational Structured Assessment of Debriefing Tool [OSAD] [featured_image] Download Version Download 2247 File Size 816.20 KB File Count 2 Create Date December 16, 2019 Last Updated December 16, 2019 Observational Structured Assessment of Debriefing Tool [OSAD] Similar to the DASH, this tool was developed by a team at Imperial College London for evaluating a facilitator during a debriefing. Attached Files FileActionOSAD_debrief_guide.pdfDownload OSAD-Debriefing-Tool.pdfDownload