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6: Research and Evidence

  • Page ID
    248521
  • This page is a draft and is under active development. 

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    Research and Evidence 

    Research and evidence form the foundation of effective public speaking because they allow you to build messages that are accurate, credible, and meaningful to your audience. Whether you are exploring a new topic, supporting a claim, or explaining an idea, the strength of your speech depends on the quality of the information you gather and how thoughtfully you use it. In this chapter, you will learn how to conduct research, evaluate sources, recognize bias, use AI responsibly, and integrate evidence into outlines, presentations, and verbal citations. You will also practice distinguishing trustworthy information from weak or misleading sources so you can communicate with confidence, clarity, and ethical responsibility. By mastering research and evidence, you become a stronger speaker and a more informed and critical thinker in everyday life.

    Sherlock Holmes in his famous hat and pipe
    Figure \(\PageIndex{1}\): Sherlock Holmes (CC0; OpenAI. (2025) via ChatGPT (December version) [Large language model].

     

    Learning Objectives
    • Describe the research process and the role of credible resources in developing clear, accurate, and ethical public speaking content.
    • Explain how to evaluate sources including websites, articles, social media, and AI-generated content for credibility, bias, and reliability.
    • Interpret research findings and evidence in order to integrate them effectively into outlines, visual aids, verbal citations, and presentations.

    • 6.1: Introduction
      This page emphasizes the significance of research in daily life and public speaking, detailing how it aids decision-making in contexts like shopping and travel. It outlines essential research skills such as sourcing, credibility evaluation, and information organization. The chapter underscores that effective research strengthens arguments, enhances credibility, and supports clear communication, positioning it as a vital skill for both public speaking and everyday situations.
    • 6.2: Types of Research and Resources
      This page emphasizes the vital role of research in public speaking, enhancing credibility and informed communication. It details various resource types, including primary sources and credible websites, and stresses the importance of high-quality information to prevent misinformation. Categories of resources like government and educational organizations are discussed, along with examples.
    • 6.3: AI in Research
      This page discusses the role of AI, like ChatGPT, as a supportive partner in the research process. It highlights AI's abilities in brainstorming, summarizing, and generating search terms, while cautioning against relying solely on AI without credible sources. Effective engagement with AI includes using specific prompts and verifying information from reliable sources, positioning AI as a tool to enhance preparation for tasks such as speeches or interviews.
    • 6.4: Confirmation Bias in Research
      This page discusses bias in research, focusing on how personal experiences shape interpretations, leading to confirmation bias and information bias. Confirmation bias drives individuals to favor information supporting their beliefs, while information bias distorts or selectively presents facts, impacting conclusions. It underscores the necessity of recognizing and addressing these biases to enhance critical thinking and communication.
    • 6.5: Evaluating Research
      This page emphasizes the significance of evaluating resources for credibility and accuracy in research and presentations. It outlines the need to differentiate between reliable and biased information, illustrated by examples like Naomi and Elena who prioritize trustworthy sources. The page also provides guidance through checklists for assessing various resource types, including websites and social media, and includes exercises to develop skills in resource evaluation.
    • 6.6: Citing Sources
      This page emphasizes the importance of citing sources in ethical research, highlighting how it ensures proper credit, avoids plagiarism, and enhances credibility. It outlines effective citation practices for speech outlines, including APA citations and visual slide references. The page stresses the need for clear citations and maintaining an accurate reference list.
    • 6.7: Glossary
      This page covers key concepts regarding the accuracy and credibility of information in speeches, emphasizing the importance of verified facts and the influence of bias. It highlights the necessity of using credible sources like peer-reviewed articles and primary sources, and it provides methods for evaluating these sources, including website assessment and citation importance. The page also discusses the complexities associated with AI-generated content and information from social media.
    • 6.8: Discussion Questions
      This page emphasizes the significance of research quality for speaker credibility, addresses the impact of AI tools in research along with their risks, and highlights the need to recognize personal and source biases. It discusses strategies for assessing source reliability and the importance of proper citations for ethical communication, while acknowledging the challenges students face in citing sources accurately during speeches.
    • 6.9: References
      This page provides a compilation of resources on critical thinking, effective communication, and digital information evaluation. It highlights the need for skepticism, offers presentation guidelines, and discusses source evaluation and social media's effects on youth. Financial literacy and presentation accessibility are also addressed. Key texts such as "Thinking, Fast and Slow" by Daniel Kahneman and "Resonate" by Nancy Duarte underscore the importance of engaging thoughtfully with information.


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