Unless explicitly told not to, leave time for discussion - 5 minutes is sufficient to allow clarification of points. The session chairman may extend this if the questioning becomes interesting. Back to top Delivery Speak clearly. Don't shout or whisper - judge the acoustics of the room. Don't rush, or talk deliberately slowly.
People can, over time, develop irritating habits.
Ask colleagues occasionally what they think of your style. Look at the audience as much as possible, but don't fix on an individual - it can be intimidating. Pitch your presentation towards the back of the audience, especially in larger rooms. Don't face the display screen behind you and talk to it. In fact, positively check for anyone in the audience who may be disadvantaged and try to accommodate them.