How to Research, Write, & Give an Informative Speech

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How to write and deliver an informative speech
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An informative speech tells an audience about a process, event, or concept. Whether you’re explaining how to grow a garden or describing a historical event, writing an informative speech is pretty straightforward. Knowing the topic inside and out is key, so start by conducting thorough research. Organize your speech logically so your audience can easily follow, and keep your language clear. Since speeches are recited out loud, be sure to set aside time after writing to perfect your delivery.

Writing an Informative Speech

Research your topic to find reliable sources and ensure you understand the concept. Create a thesis to concisely explain your speech’s purpose, then create an outline for what you want to talk about. Introduce your topic, present your ideas in an organized manner, and summarize everything in your conclusion.

Part 1
Part 1 of 3:

Researching the Topic

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  1. Speech topics are often assigned but, if you need to pick your own, write a list of subjects that interest you. Choose a subject that you know a lot about or that you’d be eager to research. Then narrow your focus on a specific topic, and make sure it meets the requirements listed in the prompt. [1]
    • Suppose your prompt instructs you to inform the audience about a hobby or activity. Make a list of your clubs, sports, and other activities, and choose the one that interests you most. Then zoom in on one particular aspect or process to focus on in your speech.
    • For instance, if you like tennis, you can’t discuss every aspect of the sport in a single speech. Instead, you could focus on a specific technique, like serving the ball.
  2. Gather a variety of reliable sources to back your claims. While you may reference your personal experience in the speech, you’ll need to conduct research and cite authoritative sources. The right sources depend on your topic, but generally include textbooks and encyclopedias, scholarly articles, reputable news bureaus, and government documents. [2]
    • For example, if your speech is about a historical event, find primary sources, like letters or newspaper articles published at the time of the event. Additionally, include secondary sources, such as scholarly articles written by experts on the event.
    • If you’re informing the audience about a medical condition, find information in medical encyclopedias, scientific journals, and government health websites.

    Tip: Organize your sources in a works cited page. Even if the assignment doesn’t require a works cited page, it’ll help you keep track of your sources. [3]

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  3. Make sure you know your topic inside and out; you should be able to describe it clearly and concisely. In addition to conducting research, talking to your family and friends about your topic can help refine your understanding. [4]
    • For instance, if your speech is on growing plants from seeds, explain the process step-by-step to a friend or relative. Ask them if any parts in your explanation seemed muddy or vague.
    • Break down the material into simple terms, especially if you’re addressing a non-expert audience. Think about how you’d describe the topic to a grandparent or younger sibling. If you can’t avoid using jargon, be sure to define technical words in clear, simple terms.
  4. Your thesis conveys your speech’s central focus and should be as specific as possible. Check with your instructor about formatting your thesis. They may encourage you to describe your purpose by referencing yourself. However, if your assignment calls for more formal language, you’ll need to skip phrases such as “My purpose is” or “I’m here to explain.” [5]
    • For example, if your speech is on the poet Charles Baudelaire, a strong thesis would be, “I am here to explain how city life and exotic travel shaped the key poetic themes of Charles Baudelaire’s work.”
    • While the goal of an informative speech isn't to make a defensible claim, your thesis still needs to be specific. For instance, “I’m going to talk about carburetors” is vague. “My purpose today is to explain how to take apart a variable choke carburetor” is more specific.
  5. Keep in mind an informative speech doesn’t aim to persuade the audience to accept a claim. Instead of crafting an argument or appealing to emotions, present an objective speech that clearly spells out your subject matter. This means your organization and language need to be step-by-step instead of argumentative. [6]
    • For instance, a speech meant to persuade an audience to support a political stance would most likely include examples of pathos, or persuasive devices that appeal to the audience's emotions.
    • On the other hand, an informative speech on how to grow pitcher plants would present clear, objective steps. It wouldn't try to argue that growing pitcher plants is great or persuade listeners to grow pitcher plants.
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Part 2
Part 2 of 3:

Drafting Your Speech

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  1. Write a bare bones speaking outline for delivering your speech. After you’ve written a complete sentence outline, whittle it down to a skeleton outline. A skeleton outline includes short words and sentence fragments instead of full sentences. You can write the speaking outline on notecards and use them to stay on track when you deliver your speech. [7]
    • Delivering memorized remarks instead of reading verbatim is more engaging. A section of a speaking outline would look like this:

      III. YMCA’s Focus on Healthy Living
       A. Commitment to overall health: both body and mind
       B. Programs that support commitment
        1. Annual Kid’s Day
        2. Fitness facilities
        3. Classes and group activities
  2. It's common to begin a speech with an attention-grabbing device, such as an anecdote, rhetorical question, or quote. [8] After getting the audience's attention, state your thesis, then preview the points your speech will cover. [9]
    • For example, you could begin with, “Have you ever wondered how a figure skater could possibly jump, twist, and land on the thin blade of an ice skate? From proper technique to the physical forces at play, I’ll explain how world-class skaters achieve jaw-dropping jumps and spins.”
    • Once you've established your purpose, preview your speech: “After describing the basic technical aspects of jumping, I’ll discuss the physics behind jumps and spins. Finally, I’ll explain the 6 types of jumps and clarify why some are more difficult than others.”
    • Some people prefer to write the speech's body before the introduction. For others, writing the intro first helps them figure out how to organize the rest of the speech.
  3. If you’re informing the audience about a process, lay out the steps in the order that they need to be completed. Otherwise, organize your ideas clearly and logically, such as in order of importance or in causal order (cause and effect). [10]
    • For instance, if your speech is about the causes of World War I, start by discussing nationalism in the years prior to the war. Next, describe the assassination of Archduke Ferdinand, then explain how alliances pulled the major players into open warfare.
    • Transition smoothly between ideas so your audience can follow your speech. For example, write, “Now that we’ve covered how nationalism set the stage for international conflict, we can examine the event that directly led to the outbreak of World War I: the assassination of Archduke Franz Ferdinand. [11]
  4. Think of a speech’s order as “Tell them what you’re going to tell them, tell them, then tell them what you told them.” Summarize your thesis and main ideas in the conclusion, but don’t repeat them word-for-word. Additionally, to connect with your audience and demonstrate your topic’s importance, try to relate the subject matter to their lives. [12]
    • For instance, your conclusion could point out, “Examining the factors that set the stage for World War I shows how intense nationalism fueled the conflict. A century after the Great War, the struggle between nationalism and globalism continues to define international politics in the twenty-first century.”
  5. Your complete sentence draft is like a research paper; it should include every sentence in your speech. It’s basically the script you’ll use to organize your introduction, body, and conclusion, make revisions, and memorize your presentation. [13]
    • Typically, speeches aren’t read verbatim. Instead, you’ll memorize the speech and use a bare bones outline to stay on track.

    Avoid information overload: When you compose your speech, read out loud as you write. Focus on keeping your sentence structures simple and clear. Your audience will have a hard time following along if your language is too complicated. [14]

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Part 3
Part 3 of 3:

Perfecting Your Delivery

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  1. Memorizing the introduction, key points, and conclusion word-for-word is wise. However, unless your teacher requires it, don’t feel like you have to memorize the entire speech verbatim. Reciting a completely memorized speech can feel stiff, so just commit the content to memory well enough that you can explain your ideas clearly and consistently. [15]
    • While it’s generally okay to use slightly different phrasing, try to stick to your complete outline as best you can. If you veer off too much or insert too many additional words, you could end up exceeding your time limit.
    • Keep in mind your speaking outline will help you stay focused. As for quotes and statistics, feel free to write them on your notecards for quick reference.

    Memorization tip: Break up the speech into smaller parts, and memorize it section by section. Memorize 1 sentence then, when you feel confident, add the next. Continue practicing with gradually longer passages until you know the speech like the back of your hand.

  2. [16] Use hand gestures to emphasize key words and ideas, and make natural eye contact to engage the audience. [17] Be sure to switch your gaze every 5 or 10 seconds instead of staring blankly in a single direction.
    • Instead of slouching, stand up tall with your shoulders back. In addition to projecting confidence, good posture will help you breathe deeply to support your voice.
  3. [18] Once you’ve committed the speech to memory, work on making your delivery as engaging as possible. Watch yourself in a mirror or record yourself to make sure you appear confident and natural. Get a second opinion and ask a friend or relative to watch you and offer feedback. [19]
    • Have them point out any spots that dragged or seemed disorganized. Ask if your tone was engaging, if you used body language effectively, and if your volume, pitch, and pacing need any tweaks.
  4. Use a stopwatch or cell phone app to time yourself when you practice your speech. Speak clearly and avoid rushing, but work on keeping your speech under the time limit, if your instructor set one. [20]
    • If you keep exceeding the time limit, review your complete sentence outline. Cut any fluff and simplify complicated phrases. If your speech isn’t long enough, look for areas that could use more detail or consider adding another section to the body.
    • Just make sure any content you add is relevant. For instance, if your speech on nationalism and World War I is 2 minutes too short, you could add a section about how nationalism manifested in specific countries, including Britain, Germany, Austria-Hungary, and Serbia.
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Sample Informative Speeches


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  • Question
    How should I start my informative speech?
    Lynn Kirkham
    Public Speaking Coach
    Lynn Kirkham is a Professional Public Speaker and Founder of Yes You Can Speak, a San Francisco Bay Area-based public speaking educational business empowering thousands of professionals to take command of whatever stage they've been given - from job interviews, boardroom talks to TEDx and large conference platforms. Lynn was chosen as the official TEDx Berkeley speaker coach for the last four years and has worked with executives at Google, Facebook, Intuit, Genentech, Intel, VMware, and others.
    Lynn Kirkham
    Public Speaking Coach
    Expert Answer
    Try starting off with a rhetorical question related to your topic to engage your audience.
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  • Question
    What are the 3 parts on an informative speech?
    wikiHow Staff Editor
    Staff Answer
    This answer was written by one of our trained team of researchers who validated it for accuracy and comprehensiveness.
    wikiHow Staff Editor
    Staff Answer
    At minimum, your speech should have an introduction, a body, and a conclusion. The introduction is a good place to give a little background and tell the audience what your speech will be about. In the body, lay out your major points and provide further details to back them up. Then, conclude with a summary of your main point(s).
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  • Question
    What is informative speaking?
    wikiHow Staff Editor
    Staff Answer
    This answer was written by one of our trained team of researchers who validated it for accuracy and comprehensiveness.
    wikiHow Staff Editor
    Staff Answer
    Informative speaking is meant to provide information about a topic without necessarily persuading your audience of a particular argument or point of view. For example, you might use an informative speech to explain how to do something or present facts about an important topic (such as a public health issue, for example).
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      Tips

      • You're probably much better at informative speeches than you think! If you have ever told your parents about your day at school or explained to a friend how to make chicken noodle soup, you already have experience giving an informative speech!
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      • If you get nervous, try to relax, take deep breaths, and visualize calming scenery. Remember, there’s nothing to worry about. Just set yourself up for success by knowing the material and practicing.
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      • When composing your speech, take your audience into consideration, and tailor your speech to the people you’re addressing.
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      References

      1. ↑ https://courses.lumenlearning.com/suny-realworldcomm/chapter/11-1-informative-speeches/
      2. ↑ https://2012books.lardbucket.org/books/a-primer-on-communication-studies/s11-01-informative-speeches.html
      3. ↑ https://owl.purdue.edu/owl/research_and_citation/mla_style/mla_formatting_and_style_guide/mla_works_cited_page_basic_format.html
      4. ↑ https://open.lib.umn.edu/communication/chapter/11-1-informative-speeches/
      5. ↑ https://open.lib.umn.edu/communication/chapter/11-1-informative-speeches/
      6. ↑ https://www.comm.pitt.edu/informative-speaking
      7. ↑ https://writing.colostate.edu/guides/guide.cfm?guideid=52
      8. ↑ Lynn Kirkham. Public Speaking Coach. Expert Interview. 20 November 2019.
      9. ↑ https://www.hamilton.edu/academics/centers/oralcommunication/guides/how-to-outline-a-speech
      1. ↑ https://wac.colostate.edu/repository/writing/guides/informative-speaking/
      2. ↑ https://www.comm.pitt.edu/structuring-speech
      3. ↑ https://writingcenter.unc.edu/tips-and-tools/speeches/
      4. ↑ https://open.lib.umn.edu/communication/chapter/11-1-informative-speeches/
      5. ↑ https://writingcenter.unc.edu/tips-and-tools/speeches/
      6. ↑ https://writing.colostate.edu/guides/guide.cfm?guideid=52
      7. ↑ Lynn Kirkham. Public Speaking Coach. Expert Interview. 20 November 2019.
      8. ↑ https://open.lib.umn.edu/communication/chapter/10-4-physical-delivery/
      9. ↑ Lynn Kirkham. Public Speaking Coach. Expert Interview. 20 November 2019.
      10. ↑ https://writingcenter.unc.edu/tips-and-tools/speeches/
      11. ↑ https://writingcenter.unc.edu/tips-and-tools/speeches/

      About This Article

      Article Summary X

      To write an informative speech, start with an introduction that will grab your audience's attention and give them an idea of where the rest of your speech is headed. Next, choose 3 important points that you want to make to form the body of your speech. Then, organize the points in a logical order and write content to address each point. Finally, write a conclusion that summarizes the main points and ends with a message that you want your audience to take away from it. For tips on researching topics for an informative speech, keep reading!

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