Construct the Introduction Last
While this may seem both counter-intuitive and somewhat strange, you really do want to leave the development of the introduction for the last part of your speech preparation. Think of it this way: You can’t introduce the ideas in your speech until you have determined these ideas.
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The introduction is prepared last because you want to make sure that the body of the speech drives the introduction, not the other way around. The body of the speech contains most of your content, your arguments, your evidence, and your source material: The introduction sets up the body, but it should not overwhelm the body of the speech, nor should it dictate the content or structure of the speech.
Once you have the body of the speech complete, then you consider the introduction. With the body of the speech complete, it is relatively simple to complete two of the four functions of the introduction. You already know the purpose of the speech, so now you need to put it in a one-sentence statement. And you already know the structure and main points of the speech, so you can put that structure into the preview.
With the structural functions of the introduction complete, you can carefully choose and craft the type of introduction you wish to use, and concentrate on making sure that the introduction also fulfills the other two necessary functions: gaining the attention and interest of the audience, and gaining the goodwill of the audience.
Make It Relevant
Another reason why your introduction should be the last part of your speech you prepare is so that the introduction can relate to the speech. If you prepare the introduction before you prepare the body of the speech, your introduction may be wonderful—but completely disconnected from the rest of the speech.
When you consider the type of introduction you wish to use, you might note that many of the types could easily lend themselves to disconnection from the speech. A startling statistic may shock and get an audience’s attention—but if it is not relevant to the speech itself, the introduction is at best wasted and more likely distracting to the audience. A quotation may be both profound and catchy—but if the quotation has little to do with the speech itself, the introduction is once again wasted or distracting.
Now, because your introduction will contain the thesis statement and preview, at least part of the introduction will be relevant to the rest of the speech. However, the entire introduction needs to be relevant. If your audience hears an introduction that they perceive to lack connection to the rest of the speech, they will have difficulty following your main ideas, any attention and interest you may have gained will be more than off-set by the loss of goodwill and personal credibility, and your speech will not make the positive impression you desire.
The wise ones fashioned speech with their thought, sifting it as grain is sifted through a sieve. ~ Buddha
In most classroom speeches, and in most speech situations outside the classroom, the speaker will be on a time limit. Even if you are giving a speech in a setting where there is no stated time limit, most people will simply not pay attention to a speech that goes on and on and on.
Since you are on a time limit, and since, as noted above, the body of the speech is the heart of your speech, the introduction of your speech needs to be concise and succinct. There is no magic formula for the length of an introduction, and you do need to meet all four functions in your introduction. Many authors suggest that the introduction be no more than 10-15% of the total speaking time.
Most audiences expect you to introduce your speech and then move quickly into the body of the speech. While the expectations vary from culture to culture, most of the speaking situations in which you will find yourself will involve audiences that have been taught to listen for an introduction with a main thesis statement of some type. This is the standard speech format with which the majority of your audience will be familiar and comfortable. Failing to meet that expectation of your audience is in a sense a violation, and communication scholars Burgoon and Hale have shown that expectancy violations
create difficulties in communication situations.
Write It Out Word for Word
In another chapter, you may have read and studied speech delivery techniques, and in your class, you may be encouraged to use an extemporaneous style of delivery for your speeches. That is good advice. However, introductions are best written out word for word and then delivered as memorized.
Introductions are succinct (as we learned above), and introductions have to do a lot of work in a short period of time. Because of this, you as a speaker need to carefully consider every word of your introduction. The best method for doing so is to write your introduction out word for word. Then you can more easily see if you have met all four functions, and can also have a very good idea just how long the introduction will be. Just as importantly, memorizing and then delivering the introduction word for word gives you the most control over this important (yet short) part of your speech.
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