It would probably be most likely the B persuasive speeches because critical listening is where you listen, judge, and analyze. Persuasive speeches are where someone is trying to convince you of something.
Delphi technique.
The Delphi technique is a decision-making strategy that involves systematic collection and summarization of opinions and judgments on a particular issue from respondents in order to achieve consensus among the team members and the leader.
What is Delphi technique?
Since it was initially described in the 1960s, the Delphi technique has evolved. Many of the approach's fundamental characteristics, however, have not changed from Dalkey and Helmer's initial formulation.
First, the overall method is built on a series of "rounds," in which a group of specialists is asked for their thoughts on a specific subject.
Each round's questions are largely based on the preceding round's findings, allowing the research to evolve as time passes in reaction to previous findings.
Learn more about Delphi technique
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I think the answer would be A. Persuasive essays should be debatable and it would be hard to find something no one else has written about. However, you shouldn’t try to persuade a fact that has already been proven. Hope this helped!