a. true
When using an emotional appeal in a persuasive speech, a speaker should always adhere to ethical guidelines.
A persuasive speech refers to a specific type of speech in which the goal of the speaker is to convince the audience to accept his or her point of view. For this purpose several techniques of persuasion are used. These techniques may include substantiating your answer using evidences, facts, examples and the like.
Persuasive speech also makes use of appeals like ethical, moral and emotional which are also called ethos, pathos and logos. They are used so that a speaker could connect closely with an audience and make them feel what he or she feels.
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