Persuasive Speech 说服性演讲

Persuasive Speech
说服性演讲
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Contents
Definition of Persuasive Speech Informative vs. Persuasive Audience Adaptation Types of Persuasive Speech Monroe’s Motivated Sequence Tips for Successful Persuasion Assignment
applying those standards to the speech topic
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Example (1)
Specific Purpose
To persuade my audience that capital punishment is wrong.
Main Points
II. GECs will create health problems by introducing harmful
toxins and allergens into foods without the knowledge of
customers.
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2. Questions of Value
journalists?
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Persuasion is based on your judgment about what is right or wrong, good or bad, moral or immoral, etc.
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Definition of Persuasive Speech
The kind of speech where you use reasoning, emotional appeals or your credibility to convince the listeners to agree with you or to inspire them to action.
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Audience Adaptation
A speaker should adapt the content and strategy to the audience: • Their position • Their major objections • Their questions • Their favorite style of communication
Ways of Persuasion
reasoning, emotional appeals, credibility
Purpose
to influence the attitudes, beliefs, values,
and acts of the audience and others
Strongly Moderately Slightly Neutral Slightly Moderately Strongly in
Opposed Opposed Opposed
in Favor in Favor Favor
Persuasion involves any movement by a listener from left to right.
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Types of Persuasive Speech
Persuasive speeches on questions of fact 事实问题
Persuasive speeches on questions of value 价值问题
Persuasive speeches on questions of policy 方法问题
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Example (2)
Specific Purpose to persuade my audience that bicycle riding is the ideal form of land transportation.
Central Idea Bicycle riding is the ideal form of land transportation because it is faster than walking or running, does not exploit animals or people, is nonpolluting, and promotes the health of the riders.
• e.g. How far is NY to Beijing? • e.g. Who is the first African American president?
Qs of fact cannot be answered with certainty
• e.g. Will NAU enroll English major doctors in 10 years’ time?
Questions of value are questions about the worth, rightness, morality and so forth of an idea or action.
e.g. Is it justifiable to clone human beings? e.g. What are the ethical responsibilities of
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1. Questions of Fact
Questions of fact are questions about the truth or falsity of an assertion.
Qs of fact can be answered with certainty
I. Capital punishment violates the biblical commandment “Thou shalt not kill.”
II. Capital punishment violates the constitutional ban on “cruel and unusual punishment.”
Tips for audience adaptation • Set a particular part of the whole audience as your TARGET AUDIENCE. • Tailor your speech to fit the values and concerns of your target audience.
Role of speaker
an advocate
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Informative vs. Persuasive
In an informative speech, the speaker conveys facts and details.
to define, to explain and to clarify
In a persuasive speech, the speaker tries to shape/influence the listeners’ ideas, beliefs, attitudes, or behavior.
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Audience Adaptation
Persuasive speech: MENTAL DIALOGUE with the audience
Central Idea
GECs have the potential to create major environmental and health hazards.
Main Points
I. GECs will create environmental havoc by harming beneficial insects while creating superbugs and superweeds that will be very difficult to control.
• e.g. Are daily megadoses of vitamins beneficial to human health?(每天大量服用维生素有益健康？）
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Organization by topics
Each main point will present a reason (why agree);
Informative speeches come about in situations where the audience wants to learn about the facts.
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Example (1)
Specific Purpose
To persuade my audience that an earthquake of 9.0 or above on the Richter scale will hit Xi’an in the next ten years.
AtStuebndtivioidne！the topic logically and consistently.