Delivery Try to relax. Don't read out the title, especially if the chair has just done so. People can read it. The chair will have done that already. Get on with your talk.
Most people turn right off when a paper is read verbatim.
Pretend everyone is at the back of the hall. Don't turn away from the podium microphone while speaking. Keep facing the audience. Don't speak to the lectern or the screen. Make eye contact with as many people as possible.