A course like ESI or ESI-Advanced gives you the best possible feedback. But if you need a quick dose, get a friend with a camcorder to videotape you doing a presentation or two. Then, together go through the videotape to determine your strengths and weaknesses from the checklist below. Rambling. Do you have a clear road map of where you are going and do you follow it? Monotone. Are you using vocal variety, varying your pitch, tone and volume to keep the presentation interesting? Topic Knowledge. Do you have a good grasp of the topic? cnn money