The type of support material that is involved in using the words of other people to lend support to an argument is testimony.
A testimonial is a recommendation or statement of opinion from an authority on your subject. The comments of others serve as testimony. They could be considered cited material. Evidently, not every quoted information or testimony is the same.
Some quotations are simply used for their humor, persuasion, or attention-grabbing qualities. They are effective as introduction openings. Other forms of testimony are more effective at supporting your claims. The audience may gain insight into other people's thoughts or feelings through testimony. Expert and peer testimony fundamentally fall into two types.
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