Use of vocal variety

Good use of vocal variety is the key to an engaging speech; when used well, vocal variety can highlight important material and make it stand out.

Note Symbol Key: Interpretation
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SUPERIOR

Your delivery was a real strength to your speech--it was dynamic, passionate and engaged our attention.
+ =

EFFECTIVE

You had good vocal variety which makes your speech more dynamic and engaging.
+ =

PROBLEMATIC

Overall, your speech delivery was too low-key; remember to avoid "low intensity of the message." Use more vocal energy and wider dynamics: more vocal variety; more changes in rate pitch and energy.
– =

DETRIMENTAL

Overall, the vocal dynamics were flat; try to widen them, that will help keep our attention and interest.You could rehearse the speech more; there are speech tutors to whom you can preview your speech, and I am always ready to coach delivery.
LOW
LOW INTENSITY There was very little variety in your speaking tone; that combined with low volume and a lack of eye contact contributed to weak delivery of your speech and loss of its persuasive power.
MANU
READING FROM MANUSCRIPT Your delivery of the speech should be stronger. You need to have a more direct connection with your audience--read less, extemporize more, in a conversational tone. Try rehearsing with an invited audience before delivering in class.