There can be as many opinions in your audience as there are people.

Speakers should dress formally.

When outlining your presentation, you should leave out the introduction and conclusion.

If you conclude a speech with another's words, you are concluding with a quote.

When participating in speaking in front of a crowd, one may experience symptoms of nervousness such as a pounding heart, upset stomach, worried thoughts and cold hands; these symptoms are not visible by audience members.

When speaking to an audience you should use the eye contact technique of looking over and between the heads of audience members.

Posture is the aspect of physical delivery that is an audience's PRIMARY source of non-verbal information about a speaker's attitudes and emotions.

One should plan and practice every gesture one plans to use in a presentation.

The following is good advice for practicing a presentation: Rather than using practice sessions to repeat your entire presentation over and over again, schedule brief 5 to 10 minute sessions in which you practice small segments of your presentation.