English 11 Persuasive Speech Key Terms and Definitions persuasive speech a speech whose goal is to influence the beliefs, attitudes, values, or acts of others. logos a term used by the Greek rhetorician Aristotle to mean appeals to reason and logic. Such appeals provide the justification for audience action. argument a stated position, with support, for or against an idea or issue; contains the core elements of claim, evidence, and warrants. pathos a term used by the Greek rhetorician Aristotle to mean appeals to emotion. Such appeals can get the audience’s attention and stimulate a desire to act but must be used ethically. ethos the Greek word for “character.”According to the ancient Greek rhetorician Aristotle, audiences listen to and trust speakers if they exhibit competence (as demonstrated by the speaker’s grasp of the subject matter) and good moral character. speaker credibility the quality that reveals that a speaker has a good grasp of the subject, displays sound reasoning skills, is honest and nonmanipulative, and is genuinely interested in the welfare of audience members; a modern version of ethos. hierarchy of needs a model of human action developed by Abraham Maslow based on the principle that people are motivated to act on the basis of their needs. central processing a mode of processing a persuasive message that involves thinking critically about the contents of the message and the strength and quality of the speaker’s arguments. People who seriously consider what the speaker’s message means to them are most likely to experience a relatively enduring change in thinking. peripheral processing a mode of processing a persuasive message that does not consider the quality of the speaker’s message, but is influenced by such non-content issues as the speaker’s appearance or reputation, certain slogans or one-liners, and obvious attempts to manipulate emotions. Peripheral processing of messages occurs when people lack the motivation or the ability to pay close attention to the issues. claim the declaration of a state of affairs, often stated as a thesis statement, in which a speaker attempts to prove something. evidence supporting material that provides grounds for belief. claim of fact an argument that focuses on whether something is or is not true or whether something will or will not happen. claim of value a claim that addresses issues of judgment. 334 PART 3 Chapter-by-Chapter Analysis claim of policy a claim that recommends that a specific course of action be taken or approved by an audience. logical fallacy a statement that is based on an invalid or deceptive line of reasoning. begging the question a logical fallacy in which what is stated cannot help but be true, even though no evidence has been presented. bandwagoning a logical fallacy that uses (unsubstantiated) general opinion as its (false) basis. either-or fallacy a logical fallacy stated in terms of two alternatives only, even though there are additional alternatives. ad hominem argument a logical fallacy that targets the person instead of the issue at hand in an attempt to discredit an opponent’s argument. red herring a logical fallacy in which the speaker relies on irrelevant information for his or her argument. target audience those individuals within the broader audience who are most likely to be influenced in the direction the speaker seeks. problem-solution pattern of arrangement a pattern of organizing speech points so that they demonstrate the nature and significance of a problem first, and then provide justification for a proposed solution. problem-cause-solution pattern of arrangement a pattern of organizing speech points so that they demonstrate (1) the nature of the problem, (2) reasons for the problem, (3) unsatisfactory solutions, and (4) proposed solution(s). motivated sequence a five-step process of persuasion developed by Alan Monroe. refutation organizational pattern a pattern of organizing speech points in which each main point addresses and then refutes (disproves) an opposing claim to the speaker’s position. comparative advantage pattern a pattern of organizing speech points so that the speaker’s viewpoint or proposal is shown to be superior to one or more alternative viewpoints or proposals.