CHAPTER 1 Defining Argumentation 15
competitive edge that will separate the successful individuals, organizations, and societies
from the also-rans” (Mitroff 6).
It is critical thinking that makes you able to become a working partner in the next
element of critical decision making: dialectic .
Dialectic—The External Dialogue
Dialectic is an ancient process that is very much on the minds of contemporary scholars.
As an element of critical decision making, dialectic is the social dialogue in which people
seek to come to understanding by opening themselves to the thinking of others with an
interest in learning and changing. Critical thinking is the internal dialogue and dialectic is
an external, interpersonal, or intertextual dialogue (Montgomery and Baxter 2). In some
Aristotle defined dialectic as the counterpart of rhetoric—a companion in the critical
decision making process, a philosophical disputation. He believed that people are inherently
rational: “The function of man is an activity of the soul which follows or implies a rational
principle” ( Nicomachean Ethics 1098a).
In dialectic, individuals engage in conversation, one person advances a claim tenta-
tively, seeks to point out the reasoning behind it, and then responds to the probing ques-
tions of the others. “Dialectic proceeds by question and answer, not, as rhetoric does, by
continuous exposition” (Kennedy in Aristotle On Rhetoric 26). Michael Leff identifies
four points of contrast between dialectic and rhetoric: (1) issues in dialectic are more gen-
eral and abstract than those in rhetoric; (2) dialectic deals with the relationship of propo-
William Isaacs describes dialectic as a dialogue enabling a “free flow of meaning,
which has the potential of transforming the power relationships among the people con-
cerned” (395). His program, he says, can help business organizations change their pat-
terns of behavior in productive ways. In many meetings, says Isaacs, people feel themselves
or their actions being challenged and this generates a tendency toward defensiveness.
However, in dialogue, Isaacs argues, one has the choice to “defend or suspend”: to sus-
pend one’s defensiveness in order to listen and learn from others (365).
In the dialectical stage of critical decision making, truly important work is done. It is
here that parties discuss the ultimate purpose of the decision making: What are we trying
to accomplish? They discuss how the decision making will be carried out and what start-
ing points will be available. They bring up (1) definitions of important terms; (2) the facts
they can agree on; (3) what their presumptions will be and who will undertake the burden
of proof; (4) what the key points of disagreement (issues) are; and (5) generally decide
how arguments will be criticized: what criteria will be applied.
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