Making it Stick: Supporting Materials

 

Contents

Campbell’s Moral Reasoning

Experience

Analogy

Testimony

Calculation of Chances

Other Types of Support

Explanation

Analogy or Comparison

Illustrations

Specific Instance

Statistics

Testimony

Restatement

See the support in a sample speech.

 

A.    George Campbell identified four species of “moral reasoning”—arguments that may not be as certain as science or mathematics, but carry greater probability than most appeals. See the article on Campbell from The Rhetoric of Western Thought, cited here.

1.     Campbell called this kind of reasoning, “moral” because he believed arguments based on these types has moral force. This gives rise to “the rule of good reasons”

a.      If someone presents a sound argument based on this type of reasoning, the audience is morally obligated to accept it.

b.     However, if the audience can present better reasoning using these types to refute the position presented, the other person is morally obligated to accept it.

2.     These four species or types are:

a.     Experience

“Experience, Campbell points out, is based upon our own observation and provides a useful method of proceeding inductively from a particular example to a universal premise. Further it enables us to isolate the constituent elements of a fact. When an experience is replicated by experimental research, its persuasive appeal is substantially strengthened.”

Business arguments often rely on both individual and corporate experience. "Our competition failed in their first attempt at supply-chain automation. It's a risky proposition. We better step carefully." "The last time I did this much advance research on a customer, I closed one of my biggest deals ever. This kind of preparation does make a difference." "Bob, do you remember that last time this machine broke down? Didn't you figure out a way to fix it? I'm sure you can fix it again."

b.     Analogy

“Analogy, in Campbell’s view, is an ‘indirect experience, founded on some remote similitude.’ The more distant or ambiguous the relationship between two objects or events, the less rewarding is the comparison. Because of this shortcoming the analogy generally is a weak form of support. To offset this inherent problem, Campbell recommends that numerous analogies be used, but primarily for defensive reasons. Thus while it cannot advance truth, it diminishes the power of an opponent’s refutation.”

Analogy is perhaps the most common business argument. Case studies serve as examples from which managers draw analogies to their own companies. Leaders assume that what works or doesn't work in one instance will work the same way if applied to another situation. Of course, this kind of reasoning quickly breaks down if there are too many dissimilar elements between the two situations. Still, most business decisions are based on analogy.

c.      Testimony

Campbell lifted testimony from the inartistic plane described by Aristotle to the level of artistic proof.”
“Again he argued that testimony is experiential in nature because it is based upon the observations of others. Similarly, he maintained that it provided the source material for many disciplines including philosophy, history, grammar, languages, jurisprudence, criticism, and revealed religion. But Campbell added a new dimension when he asserted that testimony is stronger for single facts than is experience. The latter has a higher position only when it leads to a generalized conclusion resulting from experimental studies. Even this advantage can be offset in part, Campbell added, with concurrent testimonies that support a particular observations.”

Business men and women often quote the borrowed experience of others. For example, they site customer testimonials as evidence when trying to make a sale. They site the latest management guru when arguing for a new program. Middle managers use the comments of line workers to reinforce the appeals to senior management. Campbell lays a significant amount of weight on testimony; its value, however, is only as great as the perceived credibility of the source. Often, therefore, testimony functions as borrowed ethos.

d.     Calculation of Chances

“What Campbell hoped to do was to devise some type of method that would assist the communicator in establishing a strong probability when the elements of experience, analogy, and testimony were contradictory and incapable of further experimental validation. With the aid of mathematics, one might predict on the basis of past experiences stored in his memory what the likely statistical probability of an occurrence may be. In this sense it is demonstrative. But one might also use reason for the purpose of balancing all of the possibilities inherent in both sides of a question. The calculation of chances is then made on the grounds of degree of moral certainty. This kind of proof which relates mathematics and logic to experience and chance can be illustrated, concluded Campbell, ‘in the computations that have been made of the value of annuities, insurances, and several other commercial articles.’”

Notice that Campbell, writing in 1776, refers to exactly the kind of financial calculations that drive business decisions today. We use financial and statistical evidence to establish trends and from which we make assumptions about the future performance of an investment, a company or a production process. We use calculations to reveal weaknesses in a system on both the micro and macro levels. Because we regard statistical evidence as objective and as pure "information," we forget that we use this evidence to present arguments and exert influence.

3.     These form the core of evidence for most arguments in business communication.

4.     You can read more about Campbell’s species of moral reasoning here.

B.    Overall, there are several different types of support material you can use.

From Ehninger, Douglas, et al. Principles and Types of Speech Communication. 9th Ed. Glenview, IL: Scott, Forseman and Co., 1986.

This list covers the same types that Campbell listed and adds a few others.

 

1.     Explanation

a.      Explanations of What.

Kenda Creasy, Miami University, offered this explanation of a hospice in a speech on that subject:
A hospice is an alternative method of terminal care comprised of a team of doctors, psychologists, clergy, and volunteers who-basically-make house calls. A hospice’s aim is to help people die with as little discomfort and as much serenity as possible, involving family and friends along the way, and usually taking place in the person’s home. Hospices do not cure; instead, they make medical, psychological, and spiritual help available to both the patient AND his family, before and after the funeral. As one health analyst put it, “A hospice is really more of an idea than a place.”

b.     Explanations of How.

P. Dorothy Gilbert introduced a speech on chair-caning by elaborating on the process:
The intricate patterns of cane or reed you see on chair seats make the process seem mysterious and all too artistic for most of us. On the contrary. As I will demonstrate to you today, anyone can learn to cane a chair in order to restore a valuable antique or to save a family heirloom. Chair-caning involves five easy-to-learn steps. First, soak the cane to make it pliable; then, clean out the holes through which the cane will be stretched. Next, weave the cane or reed through the holes in four to seven operations. Fourth, tie off the pieces of cane underneath the chair. And finally, lace a heavier piece of cane over the holes to cover them. Let me describe each step, one at a time.

c.      Explanations of Why.

Wendy Fletcher, University of North Dakota, uses a “why” explanation in answering the question “What causes heart disease?”:
Epidemiologists have associated a number of risk factors such as excessive smoking and high concentrations of cholesterol with heart disease. However, not everyone who possesses the risk factor suffers a heart attack, and many people who do have heart attacks are not members of the high-risk groups. While there are many theories concerning heart disease, one of the more widely accepted was developed by Meyer Friedman and Roy Rosenmann of the Mount Zion Hospital and Medical Center in San Francisco. This theory links heart disease to a specific behavior pattern-the Type A or coronary-prone personality. They have characterized the Type A individual as marked by “excessive time urgency, impatience, competitiveness, aggression and hostility.” As a result, the Type A person is often in a state of internal stress that may be largely self-imposed and not necessary for coping with the environment. Persons lacking Type A characteristics are classified as Type B and are at a lower risk level for having heart attacks and other related diseases having heart attacks and other related diseases.

2.     Analogy or Comparison

a.      Figurative Analogies.

Dr. Louis Hadley Evans, minister-at-large for the Presbyterian Church, drew these figurative analogies to distinguish between the terms deist and theist:
To you the world is what: a clock or a car? Is it a huge clock, that God once made, that He wound up at the beginning and left it to run of itself? Then you are a deist. Do you believe that it is rather a car that God once made, but that does not run without His hand on the wheel, without His ultimate and personal control? Then you are a theists

b.     Literal Analogies.

In arguing for a needed revision in the way job incentives are viewed, Caroline Bird compares what happened during World War II and what could happen today:
Most job incentives now assume that we’re all living in the 1950s when the top managers who set them up were young men starting out. We need to redesign jobs around the lifestyles of the 1970s. And as F.D.R. said when he asked for the first 50,000 airplanes, “The engineers can do it if they really try.”
It’s comforting to think back to World War II when we think of this future restructuring, because the engineers did it. They did it by making the jobs fit people. They broke tasks up so that women could do them and blacks could do them, and people could do them part time if needed. They simplified tasks for the newcomers and made them more efficient for everyone. 6
Charlton Heston provides another illustration of a literal analogy, again using past history as a guide to the present:
Less than forty-five years ago, we saw the same phenomenon in Europe we see now. The enemy was Hitler then, but the fear of war was just as real. Then, as now, this fear led many to propose the most irrational compromises, the most cringing accommodations. Winston Churchill, out of office and vilified as a war-monger, fought to stem the tide. A rich lady labourite chided him once at dinner. “Tell me, Mr. Churchill,” she said, “Why do you try so hard to persuade us that Hitler is a bad man?” “If I do not succeed, Madam,” said Churchill, “I’m afraid you will find out.” They did. We may well find out in our time.

c.      Tests for analogies.

i.       How similar are the parallels that are drawn?
ii.     The central question is whether the similarity on which the argument is based outweighs any differences which could be put forward.

3.     Illustration

a.      Hypothetical Illustration.        

Pam Williams, Ball State University, uses a hypothetical illustration with an unexpected twist:
Suzanne and Jack are going on a trip. They’ve been preparing for weeks, making sure all their shots, papers, and passports are in order. However, as they board the plane to leave, they are warned repeatedly, “Don’t drink the water, it’s bad for you.” Suzanne and Jack aren’t going to Mexico. They don’t live in New York City or Chicago. Suzanne and Jack live in France and they are coming to the United States.
i.       Because you can manipulate the details of your illustration, the audience may be understandably reluctant to accept your premise without further support. Be sure to provide that support.

b.     Factual Illustration.    

Kathy Weisensel of the University of Wisconsin used her personal knowledge of two retarded persons in removing beliefs that such individuals are ineducable and incapable of leading happy and productive lives. With reference to her brother, David, she noted:
Under Wisconsin law he was entitled to school until age twenty-one, and he spent all those years in a separate special class. There he learned the basic skills of reading, writing, and mathematics. After graduation he was employed by the Madison Opportunity Center, a sheltered workshop for the retarded. He leaves home each morning on a special bus and returns each evening after eight hours of simple assembly-line work. While he is by no means self-supporting and independent, he loves his work, and he is a happy man and a neat person with whom to share a family.
There are three major questions to consider when using factual illustrations to support or explain an idea:
1.)   Is the illustration clearly related to the idea that is to be clarified or stretch the credulity of the listener in making the connection of little use.
2.)   Is it a typical example? An audience often is quick to notice unusual in an illustration; if your illustration appears peculiar or odd to the exception rather than the rule, it will not prove very convincing.
3.)   Is it vivid and impressive in detail? The primary value of an illustration is the sense of reality it creates. If this quality is absent, the advantage of using an illustration is lost.

c.      As you integrate illustrations into your speech, determine whether they meet the tests of relevance, fairness, and vividness of detail.

d.     Remember that in general, real illustrations are better the hypothetical.

4.     Specific Instance

An undeveloped illustration or example. Instead of describing a situation with a detailed narrative, you simply refer to it in passing.

Jane Scott of the University of Iowa opened a speech on architecture with a brief reference to a well-known building enabled the audience to orient itself to her topic:

“You all are familiar with Old Capitol, the beautiful pillared building you pass each day walking from class to class. It’s a perfect example of federal period Georgian architecture, the subject of my speech this morning.”

a.      Instances may be piled one upon the other until you have firmly established the impression you wish to create.

Note, for example, how James K. Wellington demonstrated the serious nature of his claim that “creative and imaginative students often are not recognized by their teachers”
We should remember that the following persons were all identified as low achievers or misfits:

Einstein-4 years old before he could speak; 7 before he could read.

Isaac Newton-was rated a poor elementary school student.

Beethoven-music teacher said, “As a composer, he is hopeless.”

Thomas Edison-teacher told him he was too stupid to learn anything.

F. W. Woolworth-worked in a dry goods store at 21, employers would not let him wait on customers; “didn’t have enough sense.”

Walt Disney-fired by a newspaper editor; “no good ideas.”

Winston Churchill-failed 6th grade.

5.     Statistics

a.      Magnitudes.

U.S. Representative Tom Steed of Oklahoma employed such a combination in a speech on governmental red tape and paperwork:
Government agencies print about 10 billion sheets of paper to be filled out by U.S. businessmen-enough to fill more than 4 million cubic feet. Paperwork stemming from federal, state, and local governments averages about 10 forms for every man, woman, and child in the United States. Official records stored around the country total 11.6 million cubic feet, or an amount 11 times greater than the volume of the Washington Monument. Paperwork generated by Washington alone in one year would fill Yankee Stadium from the playing field to the top of the stands 51 times.
Brenda Theriault of the University of Maine at Orono, arguing that there is “very little nutritional value in a hamburger, chocolate shake and fries,” simply noted that “of the 1,123 calories in this meal, there are 15 calories of carbohydrates, 35 calories of protein, and 1,073 calories of fat.” The audience did not need an analogy to understand the “nutrition” in a typical fast food meal.

b.     Segments.

i.       Used to isolate the parts into which a problem can be subdivided or to show aspects of a problem caused by discrete factors. This descriptive approach is especially helpful when you wish to break a complex topic into its component parts.
In a speech before a Public Affairs Council, Federal Elections Commissioner Joan Aiken sought to de-emphasize the importance of political action committees (PACs) in the campaigns of individuals. As support for her position, she segmented PACs’ contributions in terms of both dollars and percentages:
In the 1980 election, there were 2,266 candidates running for the Senate and House. They raised a combined total of $240.1 million, $37.6 million of which came from non-party PAC sources. Corporate-sponsored PACs contributed 4.9 percent of the money received by Democratic candidates and 6.4 percent of the money received by Republican candidates. Organized labor gave 9.62 percent of the money received by Democratic candidates and only 0.65 percent of the money received by Republican candidates. Obviously, the overwhelming majority of the money raised for House and Senate candidates came from individuals. 14
J. Thomas Cristy presented a breakdown of the financial statement of the American Cancer Society as part of his argument that the society is “a leading force” in the suppression of certain types of cancer research:
According to the 1978 financial statements of the American Cancer Society, of the 140 million dollars taken in, less than 30 percent went for research; more than 56 percent went for salaries and office expenditures.... The statements also point out that 200 million, of the Society’s 228 million dollars of assets, is invested. This makes the ACS a prime banking and investment firm.

c.      Trends.

Pat Schroeder, U.S. Representative from Colorado, noted several trends which suggested social change for women in a speech at Kansas State University. One trend was the increase in women’s participation in education and careers:
Look at education: Over the past century, the number of undergraduate degrees awarded to women climbed slowly but inexorably. In 1870, 15 percent went to women; by 1930 the number had risen to 40 percent. The GI bill era reversed that trend, but only temporarily.
By 1970, the gap was narrowing again. In 1980, women received 49 percent of all undergraduate degrees.
And female students were now majoring in such traditionally male fields as engineering (up 830 percent between 1972 and 1982); agriculture (up 429 percent); business (up 247 percent); architecture (up 130 percent); and computer science (up 123 percent). Similar changes were occurring in the professions: between 1972 and 1982, women receiving degrees in law quadrupled from 7 percent to 30 percent; medicine more than doubled from 9 percent to 23 percent; dentistry went up sharply, from 1 percent to 14 percent; and veterinary science almost quadrupled, from 9 percent to 33 percent.

d.     When you use statistics keep these cautions in mind:

i.       Translate difficult-to-comprehend numbers into more immediately understandable terms.
1.)   In a speech on the mounting problem of solid waste, Carl Hall pictured the immensity of 130,000,000 tons of garbage by indicating that trucks loaded with that amount would extend from coast to coast.
ii.     Don’t be afraid to round off complicated numbers.
1.)   “Nearly 400,000” is easier for listeners to comprehend than “396,456”; “over 33 percent” is preferable to “33.4 percent,” and “over one-third” is even more preferable.
iii.   Whenever possible, use visual materials to clarify complicated statistical trends or summaries.
1.)   Hand out a mimeographed or photocopied sheet of numbers; draw graphs on the chalkboard; prepare a chart in advance.
2.)   Such aids will allow you to concentrate on explaining the significance of the numbers, rather than making sure the audience hears and remembers them.
iv.   Use statistics fairly.
1.)   Arguing that professional women’s salaries increased 12.4 percent last year may sound impressive to listeners until they realize that women are still paid almost one-quarter less than men for equivalent work. In other words, provide fair contexts for your numerical data and comparisons.

6.     Testimony

a.      Can capture a compelling statement.

Gary Hart used testimony to clarify the sense in which “economic man” does not exist:
In 1967, Robert Kennedy wrote: “The gross national product measures neither our wit nor our courage, neither our wisdom nor our learning, neither our compassion nor our devotion of country. It measures everything, in short, except that which makes life worthwhile; and it can tell us everything about America-except whether we are proud to be Americans. “19

b.     Functions as ethos on loan.

Cheri Lindsley of Trevecca Nazarene College sought out such information in buttressing her argument in favor of home childbirth:
Dr. Robert Bradley, author of Husband-Coached Childbirth, tells us that the conditions most conducive for an ideal, peaceful, and undisturbed childbirth atmosphere are “most nearly met by the environment of a mother’s bedroom in her own home and the reassuring nearness of familiar and loved faces rather than those of strangers.”

c.      Identifies an Opponent’s position

Representative Schroeder paraphrased the comments of another and used them as a basis for her response:
When a nurse or a high school math teacher with a college education is paid less than a liquor store clerk with a high school education, there is something wrong with our wage standards, not to mention our values.
One of the naysayers, Phyllis Schlafly, was in Colorado recently. She said that liquor store clerks should be paid more than nurses because they lift heavy boxes; and tree trimmers should be paid more than teachers because they work outdoors.
Fine, let’s pay nurses the same as surgeons, because they both work indoors. And secretaries the same as lawyers because neither lifts heavy boxes. Furthermore, the kids who deliver our newspapers should be paid six-figure salaries because they drag around heavy bundles and brave the elements.

d.     Note that the use of paraphrase is an acceptable way to introduce the opinions of others; care must be taken to insure that the paraphrase is an accurate representation of the person’s views or statement.

e.      Follow these guidelines:

i.       The person quoted should be qualified by training and experience as an authority. He or she should be an expert in the field to which the testimony relates.
ii.     Whenever possible, the statement of the authority should be based on firsthand knowledge.
iii.   The judgment expressed should not be unduly influenced by personal interest. An authority with a strong vested interest in the issue is suspect.
iv.   The listeners should realize that the person quoted actually is an authority. They should be aware, or be made aware, of the speaker’s status; for the testimony to be effective, they should be disposed to regard the source favorably.

7.     Restatement

a.      Restatement is the reiteration of an idea in different words; repetition uses the same words.

b.     Provide no real proof but often has strong persuasive impact.

c.      Advertisers repeat and restate their messages.

Walter F. Mondale, speaking at the 1980 Democratic National Convention, incorporated repetition of a phrase in heightening the impact of his view of the Democratic party and those who speak on its behalf:

When we speak of peace, the voice is Ed Muskie’s. When we speak of workers, the voices are Lane Kirkland’s and Doug Fraser’s. When we speak of compassion, the fire is Ted Kennedy’s. And when we speak of courage, the spirit is Jimmy Carter’s. When we in this hall speak for America-it is America that is speaking.

Gail Niles of Bethel College uses restatement to advantage in discussing “legalese”:

Please get out a pencil and paper; I have a short quiz for you. Translate the following into English: “We respectfully petition, request and entreat that due and adequate provision be made, this day and the date hereinafter subscribed, for the satisfying of these petitioners’ nutritional requirements and the organizing of such methods of allocation and distribution as may be deemed necessary and proper to assure the reception by and for said petitioners of such quantities of baked cereal products as shall, in the judgment of the aforesaid petitioners, constitute a sufficient supply thereof.”
Finished? Good. The correct translation is “Give us this day our daily bread,” and the passage was in that obscure and difficult language, American legal English.

 

See some of these types of support in a sample speech.

This page was last modified on Wednesday, August 15, 2001.
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