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Using expert testimony is an excellent way to lend

A. vividness
B. reliability
C. concreteness
D. credibility
E. professionalism

to your speeches.


Sagot :

Final answer:

Expert testimony in speeches enhances credibility by citing authoritative sources' credentials.


Explanation:

Expert testimony is a powerful supporting material in speeches, providing credibility and validation by citing the source's credentials. It can come from experts on a topic, offering authoritative opinions or firsthand accounts that enhance the persuasiveness of an argument.

By using expert testimony from renowned authorities like The Surgeon General on childhood obesity, speakers can bolster their arguments and establish trust with the audience through the expert's expertise and reputation.


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