When I wrote, "I lecture medical students, and you would be surprised how hard it is to perform when you fear public humiliation." I was not referring to a classroom. I lecture medical students who are rotating through the hospital at a patient's bedside, during procedures, etc. This lecturing can occur at anytime the student is with our treatment team (which is composed of pharmacist, other physicians, respiratory therapist, and nurses).
Now my comparison was made to demonstrate that when you are constantly being scrutinized you under perform. This is a life lesson and can be applied to all aspects of life. Some think if they constantly barrage others when they make errors they make them better, but the opposite is true.