I had a group presentation in "Managing Organization Class." Our assignment is interviewing a senior manager and making a presentation for the organizational structure analysis about his organization.
This was the first group presentation in MBA class ( I had already many presentations but this was the first presentation which was supposed to be graded) for me though I will have a presentation class and have to give a lot of presentation in next semester. This time, I put a lot of effort into preparing for the presentation. I listened to the recorded interview, and repeated my presentation. Also, I recorded it by a video recorder and checked it. I found many improvements. Actually, the result was not that bad.
One thing I want to say is that I felt, in the day, my oral communication skill was improved somehow maybe by the preparation of the presentation. Few years ago, my senior university students said, "You can listen 1.5 times as fast as you can speak in English." It might be true. When I studied TOEFL, an English test for international students, I trained my listening skill by repeating the script as fast as possible. I think it worked.