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Ch 12: Reasoning and Rhetorical Proof

About This Chapter

Watch online video lessons to learn about analogical reasoning, faulty assumptions, selective exposure theory and more. Each lesson is accompanied by a short multiple-choice quiz you can use to check your understanding of these reasoning and rhetorical proof topics.

Reasoning and Rhetorical Proof - Chapter Summary and Learning Objectives

In this chapter, instructors introduce you to the types of reasoning you can use to shore up claims in your speech and show you how to avoid the pitfalls of faulty logic. You can also explore some of the roadblocks that might prevent listeners from fully attending to your message, no matter how sound it might be, with lessons on the following topics:

  • Methods for building credibility and appealing to your audience
  • Differences between inductive, deductive, analogical and causal reasoning
  • Effects of various fallacies and faulty assumptions on reasoning
  • Implications of the serial position effect and selective exposure theory

Video Objectives
The Art of Persuasion in Public Speaking Learn how organizational and goal-setting strategies can be used to prepare and deliver a successful persuasive speech.
Ethos, Pathos and Logos: Importance in Public Speaking Explore the uses of these three appeals in persuasive speaking.
Building Credibility to Persuade Your Audience in Public Speaking Find out how the fluency of your speech, the supporting evidence you provide and the conviction of your delivery can build your credibility.
Rhetorical Proof in Public Speaking Consider how the rhetorical proof used in public speaking differs from mathematical or logical proofs.
Components of Rhetorical Proof: Claim, Supporting Material & Reasoning Identify roles of the claim, reasoning and supporting material in rhetorical proof.
The Differences Between Inductive and Deductive Reasoning Describe how inductive and deductive reasoning can be used to organize your argument.
Causal and Analogical Reasoning: Impact on Public Speaking Examine the uses of causal and analogical reasoning to organize your argument.
Understanding Fallacy: Impact on Reasoning Discover types of fallacies related to reasoning patterns.
Communication Theory, Faulty Assumptions and Decision Making in Public Speaking Study various faulty assumptions, including matching hypothesis, social exchange hypothesis, the halo effect and self-fulfilling prophecy.
Selective Exposure Theory & Public Speaking Use selective exposure theory to explain individuals' tendency to choose information that supports their values and beliefs.
Understanding the Serial Position Effect in Public Speaking Find out which parts of your speech are more likely to stick with the audience.

12 Lessons in Chapter 12: Reasoning and Rhetorical Proof
The Art of Persuasion in Public Speaking

1. The Art of Persuasion in Public Speaking

Persuasion is all around you. You are likely trying to persuade someone or they are persuading you all of the time. In this lesson, you will learn about the different types of persuasion and the strategies you can use.

Ethos, Pathos, and Logos: Importance in Public Speaking

2. Ethos, Pathos, and Logos: Importance in Public Speaking

Ethos, pathos, and logos are the foundation modes of persuasion, also known as appeals. In this lesson, you will learn about the different modes of persuasion and how to incorporate them into your speech.

Building Credibility to Persuade Your Audience in Public Speaking

3. Building Credibility to Persuade Your Audience in Public Speaking

Building credibility is an important component of your speech. Without credibility, your audience members won't trust what you have to say! This lesson will teach you about the different types of credibility and how to build credibility in your speech.

Components of the Toulmin Model for Public Speaking: Claim, Data & Warrant

4. Components of the Toulmin Model for Public Speaking: Claim, Data & Warrant

Sometimes you will be asked to analyze and create arguments. You can do this by using the Toulmin model. You will learn in this lesson the different components of the Toulmin model and how to use them to create arguments.

Examples of the Toulmin Model in Public Speaking

5. Examples of the Toulmin Model in Public Speaking

Sometimes it's difficult to find the Toulmin Model in public speaking. In this lesson, we will review the components of the Toulmin Model and see these components in use in public speaking.

The Differences Between Inductive and Deductive Reasoning

6. The Differences Between Inductive and Deductive Reasoning

Inductive and deductive reasoning are often confused. This lesson introduces the concept of reasoning and gives you tips and tricks to keeping inductive and deductive reasoning straight.

Causal and Analogical Reasoning: Impact on Public Speaking

7. Causal and Analogical Reasoning: Impact on Public Speaking

Causal and analogical reasoning are often confused and sometimes difficult to understand. In this lesson, you will learn the differences between the two types of reasoning and the way each of them is used in public speaking.

Understanding Fallacy: Impact on Reasoning

8. Understanding Fallacy: Impact on Reasoning

When preparing a speech or conducting academic writing, understanding how to spot fallacies in reasoning is very important. This lesson will teach you the pitfalls in types of reasoning.

Understanding Fallacy: Common Fallacies

9. Understanding Fallacy: Common Fallacies

There are hundreds of logical fallacies. Some are mathematical and complex, and some are deep and philosophical. In this lesson, you will learn about some of the most common types of fallacies you will come across in public speaking.

Communication Theory, Faulty Assumptions, and Decision Making in Public Speaking

10. Communication Theory, Faulty Assumptions, and Decision Making in Public Speaking

Many times the psychology of people influence how they speak and what they hear. This lesson discusses some of the faulty assumptions made through psychological phenomenon in public speaking.

Selective Exposure Theory & Public Speaking

11. Selective Exposure Theory & Public Speaking

Selective exposure theory has a great impact on you as a speaker and as a listener. This lesson will help you understand selective exposure theory and how to deal with it in public speaking.

Understanding the Serial Position Effect in Public Speaking

12. Understanding the Serial Position Effect in Public Speaking

You don't know it, but the serial position effect has a major impact on how you memorize your speech and other pieces of information. In this lesson, you will learn some tips and tricks to memorizing information and how to understand the serial position effect.

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