In this video one resident offers advice to another on the One Minute Preceptor model of teaching.
OMP allows the student ownership of the clinical scenario and lets you to identify gaps in the student's knowledge base and focus teaching appropriately their needs. At the end you should give one positive note and give them something specific to improve on.
In this video a senior resident gives a framework on how to teach medical students to take concise histories and relay the important information to their attending.