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Establishing trust is basic. We often believe a message simply
on the basis of our believing in, or our liking of, the speaker.
Over two thousand years ago, Aristotle's Rhetoric
emphasized that the most effective means of persuasion
(more effective even that rational or emotional appeals) was the
ethos, the "image"
projected by the persuader of being expert, trustworthy,
and benevolent.
Today, such image building is not only done by an
individual persuader, but is often done by a committee on behalf
of a product, a candidate, corporation. Yet, principles remain the
same:
All persuaders (good or
bad, public or private, commercial or political) can be analyzed
in terms of their claims of being:
(1) expert,
that is, knowledgeable, informed, competent, wise, prudent, a person
of good judgment and good sense;
(2) trustworthy,
that is, honest, sincere, truthful, open, candid, a person of integrity
and good moral character;
(3) benevolent,
that is friendly to the audience, an ally, a person of good will,
with your interest in mind, someone who is "on your side."
The rhetoric of political attacks, for example,
is the reverse of such image-building: negative campaigning
consists of charges against opponents as being
not expert (incompetent, inexperienced), not trustworthy
(not of good moral character), or not benevolent (not
on your side, but aiding others, such as "special
interests," or self-seeking.)
In the US, such negative political attacks are protected
by "free speech" laws; commercial ads, however, very seldom
attack other competitors because of libel and slander laws.
Even those relatively few "comparative ads" we
do see (e.g. soft drinks, fast food restaurants) must carefully
restrict any claims and charges. (Their competitors have lawyers
too!) Thus, most advertising is concerned with positive
image-building.
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Establishing trust is obviously important in persuasion,
but it is also needed in straight expository writing.
In exposition, the audience's purpose is to get
accurate, reliable, and useful information for their own benefit.
Thus, in informational writing, the most important
aspect of the writer's projected image should be that of an "expert,"
someone who is knowledgeable, informed, and competent.
People who do have genuine expertise and experience
can emphasize this most successfully.
If you do not have such expertise,
then you want to keep in the background as a writer and keep the
focus on the intrinsic quality of your writing.
Such expertise should be shown, made self-evident
by the writing itself: clear, coherent, careful, exact, logical,
temperate, and well organized.
In contrast, imagine a crazy "Letter to
the Editor" filled with unsubstantiated generalities,
incoherent arguments, unconnected ideas, and careless errors.
Relatively less important in expository writing
are the other aspects of the "image," of being seen
as trustworthy and benevolent.
Such sincerity and friendliness, while most important
in persuasion, are usually not major concerns in straight informational
writing.
To project a good image in your writing, demonstrate
your expertise by producing work that is careful, clear, and coherent:
that looks good and reads well.
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