What type of testimony might indicate an agenda or bias from the speaker?

Biased testimony is characterized by a clear alignment with a particular viewpoint or interest, which raises the possibility that the speaker may have an agenda influencing their statements. This type of testimony can stem from personal beliefs, affiliations, or financial incentives that could lead the speaker to present information in a skewed manner, aiming to persuade rather than inform. The inherent partiality in biased testimony makes it crucial to evaluate its reliability and to consider alternative perspectives to ensure a balanced understanding of the issue at hand. When using testimony in advocacy and debate, it's important to be aware of such biases, as they can shape the narrative and influence audience perception significantly.