Jurnal 3
Jurnal 3
Paul Peter
    On the level of empirical investigation-and concen-                 sophical positions in marketing theory, several simi-
    trating on the practice of investigators rather than the            larities can be found between scientific realism and
    theoretical commentary they may provide-there is
                                                                        the relativistic views. For example, scientific realism
    more evidence to be cited for relativism than against
    it.                                                                 rejects logical positivism, logical empiricism, and fal-
                                                                        sification as acceptable philosophies for marketing
                                -Barnes and Bloor (989)                 theory and research (Hunt 1990, p. 11). Relativists in
S
                                                                        marketing have long rejected those philosophies. Sci-
     CIENTIFIC realism recently was presented in this
                                                                        entific realism argues that "there is no grand theory
     journal as an appropriate philosophy of science
to guide marketing theory and research (Hunt 1990).                     of science" (Hunt 1990, p. 8). Relativists have long
That view rejects all forms of relativism, including                    argued that there is no single method or approach to
those proposed in marketing, which include critical                     science.
relativism (e.g., Anderson 1983, 1986) and the rela-                        However, several points of divergence also can be
tivistic/constructionist perspective (e.g., Peter and                   noted between scientific realism and the relativistic
Olson 1983, 1989). Scientific realism argues that truth                 views. The two philosophies diverge on the nature of
is the appropriate goal for marketing theory and re-                    reality, the nature of truth, and the value of the con-
search and that science can come to know the real                       cept of incommensurability. Those issues are critical
world, though not with certainty.                                       for marketing theory and research, as for any field
    For scholars seeking a reconciliation of philo-                     that seeks to develop knowledge.
                                                                            The purpose of this article is to evaluate scientific
                                                                        realism's position on those issues and to compare it
J. Paul Peter is James R. McManus-Bascom Professor in Marketing at      with' the relativistic/constructionist view. Such a
the University of Wisconsin-Madison. The author thanks Gil Churchill,   comparison enables marketing theorists and research-
Peter Dacin, Chris Moorman, and Dan Smith as well as the JM editor      ers to judge better which approach to science makes
and anonymous reviewers for their useful comments and suggestions.
                                                                         more sense to them and which offers a better guide
                                                                                                        Journal of Marketing
72 / Journal of Marketing, April 1992                                                                   Vol. 56 (April 19921, 72-79
for their work. In addition, such a comparison may                    Surely such a view of science seems plausible and
help determine what future work needs to be done in              inviting. Science is viewed as being capable of judg-
the area.                                                        ing knowledge claims and ruling on whether or not
                                                                 they conform to the real world. If science could be
                                                                 conducted that way, many relativists would likely be
   Views on the Nature of Reality                                converted to accepting scientific realism.
                                                                      However, there is a problem with this view that
The major difference between scientific realism and              reduces its apparent value-unless science can know
the relativistic/constructionist view is in the nature of        with certainty what truly is the real world, it is im-
scientific reality. Realism views science as being ca-           possible to judge the extent to which knowledge claims
pable of knowing reality, though not with certainty.             truly represent or correspond to that world. In other
The relativistic perspective views science as con-               words, without independent knowledge of a standard
structing various views of reality.                              (i.e., what reality truly is), how can scientists know
                                                                 how close they are to reaching the standard? It is like
Realist View of Reality
                                                                 arguing that a football team can know that it is 10
Scientific realism is based on four propositions; three          yards from scoring a touchdown without knowing where
are investigated here and the fourth is examined in a            the goal line is. This is the fallacy of realism, that the
subsequent section. The first three are: "(1) the world          extent to which knowledge claims truly represent real-
exists independently of its being perceived (classical           ity can be known without knowing what reality truly
realism), (2) the job of science is to develop genuine           is.
knowledge about that world, even though such knowl-                   The relativistic / constructionist view avoids this
edge will never be known with certainty (fallibilistic           fallacy by recognizing that standards for accepting
realism), and (3) all knowledge claims must be crit-             knowledge are developed by the scientific commu-
ically evaluated and tested to determine the extent to           nity. For example, in many areas of marketing, the
which they do, or do not, truly represent or corre-              primary empirical hurdle for a theory is that tests of
spond to that world (critical realism)" (Hunt 1990,              its hypotheses must produce statistically significant
p.9).                                                            effects. Though there are good reasons why that stan-
    Figure 1 is a graphic representation of the realist          dard is weak (see Sawyer and Peter 1983), many stud-
view of science. Basically, scientists through their             ies published in marketing use it.
processes of evaluation and testing produce genuine                   A second problem with the realist view may be
knowledge about the world. Those knowledge claims                more evident in Figure I-nothing in scientific real-
cannot be known with certainty and are fallible, but             ism indicates the processes by which theories are con-
apparently, according to Hunt's third proposition, the           structed or created. No account is offered for where
extent to which they truly do or do not represent or             the theories come from that scientists test and evalu-
correspond to the world can be determined.                       ate. In some ways, this is a retreat to logical empir-
                                                                  icism's insistence that philosophy of science address
                                                                 only the justification of knowledge claims and avoid
                                                                 the difficult issues involved in explaining how theo-
                                                                 ries are created. Because an adequate philosophy of
                        FIGURE 1
        Scientific Realism's View of Reality                      science for marketing should include an account of
                                                                  not only the processes involved in testing and evalu-
                                                                 ating theories but also the creation and diffusion of
  ...- - - - -....-_ ...I    External World     I                 theories in scientific communities, scientific realism
                                                                  is at best incomplete.
                                                                      It has been argued previously in marketing that
                                                                  "science creates many realities" (Peter and Olson 1983,
                                                                  p. 119), a position rejected by scientific realism (Hunt
                                                                  1990, p. 2). An explanation of that statement follows
             I       Scientific Evaluation and Testing
                                                             I    so that readers can judge which view of reality makes
                                                                  more sense.
                                                                 Relativistic View of Reality
                                   "                             The relativistic/constructionist position on the nature
                 I
                 I
                            Genuine Knowledge
                                                         I       of reality is depicted in Figure 2. Unlike scientific re-
                                                                 alism's interpretation of relativism, the relativistic view
                                                                 has no problem with the possibility of an external world
                                                                                                 Realism or Relativism / 73
                    FIGURE 2                                bear on a particular research problem. This level may
   Relativistic/Constructionist View of Reality             or may not be totally consistent with the general
                                                            worldview as it may contain special language, math-
                                                            ematical analyses, and arguments not commonly em-
                        Uninterpreted Reality
                   I                                        ployed in everyday experience. Some researchers are
                                                            knowledgeable of multiple research paradigms and may
                                 1~                         apply them at different times to different problems in
                                                            fruitful ways. However, it is more likely that re-
                        Scientist's Worldview               searchers have a favored paradigm, possibly from
                                                            training in their formal introduction to a field, that
                                                            dominates the perspective taken and the tools used in
                         Research Paradigm
                                                            research. For example, various types of psycholo-
                  ~     Mental Interpretation
                             of Reality         I           gists, such as cognitivists, behaviorists, and environ-
                                                            mentalists, may believe in different theories and use
                                                            different methods in their research. Similarly, in mar-
                                                            keting, mathematical modelers, experimentalists, sur-
                                                            vey researchers, and interpretivists commonly take
                                                            different approaches to construct and investigate their
                                                            views of reality.
                                 ,~                              The process of constructing a theory or interpre-
                                                            tation of reality may involve many events. The sci-
                        Public Construction                 entist may observe and interpret phenomena, read and
                             of Reality                     interpret a variety of other scientists' views, discuss
                                                            the issues with others, construct and examine data,
                                                            and invent new words or symbols to describe her or
                                                            his ideas. Eventually, conclusions may be drawn about
                                                            how she or he thinks the phenomena work. As shown
that is independent of the scientist. However, the dif-     in Figure 2, the interpretation is encapsulated in the
ference in the relativistic perspective is that no inter-   scientist's worldview and research paradigm, which
pretation of that world can be made independently of        limit the interpretation to a particular perspective. At
human sensations, perceptions, information process-         this stage, it is a private, mental interpretation of real-
ing, feelings, and actions. No meaningful interpreta-       ity.
tion of that world can be made that does not involve             Mental interpretations are made public in science
some form of human processing, typically in the form        by their transformation into written papers and oral
of symbols. Those symbols usually involve language          presentations. For other scientists, including editors
                                                            and reviewers, to share an interpretation of reality,
and mathematics, two examples of useful construc-
                                                            they must go through the processes involved in com-
tions of the human species.
                                                            prehending words and meanings in the arguments, de-
    An adequate philosophy of science must not only
                                                            veloping an understanding of the interpretation of
recognize that human sensations and perceptions are
                                                            reality, and deciding whether they believe in it or not.
part of science, but also account for their role in the
                                                            Many problems complicate these processes. For ex-
development of scientific knowledge. Hunt's inter-
                                                            ample, scientists may infer meanings other than those
pretation of scientific realism fails to do so. However,
                                                            intended by the proposer of the theory. Differences in
the relativistic view accounts for those factors at sev-    denotative and connotative meanings for terms may
eral levels.                                                lead to misinterpretation. There may be differences in
    One level of analysis involves the individual sci-      beliefs about whether the empirical evidence supports
entist's general worldview. This level includes all of      the theory or is the result of other factors.
the scientist's previous experiences, training, beliefs          A critical part of the evaluation involves whether
about the world, knowledge of language and mean-            or not the theory is consistent with other scientists'
ings, and skills. The consistency of a proposed theory      worldviews and research paradigms and their personal
with a scientist's everyday view of the world can pro-      interpretations of the phenomena. In addition, other
vide one type of "good reason" for believing in it.         scientists may be influenced by the putative insights
    A next level may include a research paradigm or         in the theory, the apparent rigor of the supporting re-
scientific view of the world that a person brings to        search, the cleverness of the research design, or the
                                                                                              Realism or Relativism / 75
is. The quotation sounds as though the second part of            of belief held in a particular context. To state that a
the statement is not a refutation of the first but a state-      proposition is true is to state a subjective belief that
ment of agreement with it. In other words, literally             one holds about the proposition. The idea that truth
interpreted, this is a statement of complete knowledge           can be determined universally and independently of
about the world rather than uncertain knowledge about            human constructions and beliefs about uninterpreted
it.                                                              reality is viewed as impossible. In sum, "Truth is a
    Even if one grants that the statement means truth            subjective evaluation that cannot be properly inferred
is uncertain, it is difficult for relativists to accept that     outside the context provided by the theory" (Peter and
meaning of truth. The reason is that it is based on the          Olson 1983, p. 119).
assumption that science can judge the extent to which                Overall, then, there seems to be no reason why
theories correspond to the real world without knowing            taking a relativistic view of reality or truth makes the
independently what the real world is-that is, this view          success of science over the last 400 years "totally in-
of truth suffers from the fallacy of realism.                    explicable" or a "miracle" as argued by scientific
    A second definition of truth in scientific realism           realists (Hunt 1990, p. 3, 9). Rather, it is the useful-
is different, but related to the first (Hunt 1990, p. 9):        ness of the theories that accounts for the success of
    McMullin (1984, p. 26) succinctly states the fourth          science over the last 400 years. Because a theory is
    and final tenet: "The basic claim made by scientific         believed to be useful, however, does not prove that it
    realism . . . is that the long term success of a sci-
    entific theory gives reason to believe that something
                                                                 is true in the sense that it captures reality.
    like the entities and structure postulated by the theory
    actually exists" [emphasis added].
    Hunt restates it in terms of marketing (p. 11):                  The Incommensurability Issue
    Applied to marketing and social science, scientific          Incommensurability is the idea that the choices be-
    realism maintains that, to the extent that there are         tween competing paradigms are not made purely on
    theories that have long-run success in explaining            the basis of formal logic and empirical data. Rather,
    phenomena, predicting phenomena, or assisting in the         other factors such as the training and experiences of
    solution of pragmatic problems in society, we are
    warranted in believing that something like the pos-          researchers, their beliefs about the world, the persua-
    tulated entities and their structure of relationships ex-    siveness of those arguing for the various theories, the
    ists, that is, they truly represent or correspond to real-   status and number of other scientists who believe a
    ity external to the theorist [emphasis added].               theory, and a variety of other psychological and social
    Here the argument is that to the extent that a the-          factors are needed to explain why research commu-
ory has "long-term success" in explaining and pre-               nities accept different paradigms. Scientific realism
dicting phenomena and solving pragmatic problems,                rejects incommensurability as "incoherent" and "re-
we are warranted in believing that "something like"              lativistic" (Hunt 1990, p. 4, 5). Several reasons can
the postulated entities truly exist and that the theory          be offered for why relativists value the concept of in-
is true. However, if a theory is successful in predic-           commensurability, three of which are historical evi-
tion, explanation, and solving practical problems, the           dence, the philosophers' fallacy, and practical value.
proper inference seems to be that the theory is useful,
not that it is true or that the entities contained in the        Historical Evidence for Incommensurability
theory truly exist. The fact that a theory, such as
                                                                 The history of science indicates that there are occa-
Newtonian physics, works well does not make it true;
                                                                 sions when researchers shift beliefs from one view to
it makes it useful. The relativistic view of science has
                                                                 another for reasons other than formal logic and em-
argued consistently that several different types of use-
fulness are more appropriate goals for marketing than            pirical data (e.g., see Kuhn 1962, 1970). Though many
truth (e.g., Olson 1982; Peter 1991; Peter and Olson             philosophers disagree with Kuhn's views, others, as
1983, 1989). The standards for what type of useful-              well as many historians, sociologists, and psycholo-
ness is judged important are set by the scientific com-          gists of science, find the idea useful for describing
munity. For example, some academic researchers be-               changes in scientific beliefs. However, this relativistic
lieve their work should be useful for helping marketing          view recognizes that multiple paradigms can coexist
managers develop successful strategies, whereas oth-             in a field because one paradigm does not necessarily
ers seek knowledge of marketing phenomena for its                replace another. The reason is that there are multiple
own sake.                                                        constructions of uninterpreted reality that different
                                                                 scientists find useful for describing events, predicting
Relativistic View of Truth                                       events, and solving problems. Anderson (1986) pro-
From the relativistic perspective, truth is a construc-          vides several examples of incommensurable para-
tion, a concept designed to refer to a particular type           digms in marketing and consumer research.
                                                                                                    Realism or Relativism / 77
orists to think carefully about what they believe and          phasis on traditional empirical research. Rather, mar-
why they do so.                                                keting scholars should invest more of their time and
    Given the difference in basic assumptions about            effort in the creation and development of new, useful
the nature of reality, scientific realism and relativism       theories for the field. Work by Wicker (1985) and
are unlikely ever to be fully integrated. Holders of           Zaltman, LeMasters, and Heffring (1982) provides
both views have good reasons for believing what they           useful ideas on creating new theories and concepts.
do, and support for aspects of both views can be found             The emphasis of scientific realism on seeking truth
in the science studies literature. There are simply hon-       may also account for why many academic marketing
est differences in beliefs about science and about which       researchers place such heavy emphasis on doing basic
approach offers greater promise for the development            theory-testing research that seeks general truths. In fact,
of marketing knowledge.                                        scientific realism may be attractive to many marketing
     Integration of philosophical views is not the most        researchers because it supports and reinforces current
critical task facing marketing theorists, however.             research practices and prejudices rather than encour-
Rather, philosophically oriented marketing theorists           aging change in the field.
now need to focus greater attention on what insights               The relativistic view recognizes that basic research
their views offer for the construction and evaluation          can be useful in influencing the beliefs of a research
of marketing theories and what implications they have          community. However, because this view does not
for developing a more useful marketing science.                support the idea that basic research can produce uni-
     For instance, Hunt (1990, p. 13) argues that many         versal truth (truth as correspondence to reality), it ar-
                                                               gues for academic marketing researchers to place greater
marketing researchers already have accepted scientific
                                                               emphasis on finding useful solutions to specific prob-
realism. Perhaps that explains why marketing re-
                                                               lems. Even a partial, tentative solution to problems
searchers place such heavy emphasis on empirically
                                                               such as the distribution of food to starving Third World
testing extant theories, often theories borrowed from          people, the delivery of a reasonable standard of living
other fields. Scientific realism encourages such be-           to the poor and homeless, the misuse of drugs, and
havior because it offers no guidance on theory crea-           the spread of AIDS could far outweigh a consensus
tion for marketing researchers and leads researchers           solution to many of the basic research issues currently
to believe that empirical research can truly determine         examined in the field that seek generalizations.
reality. However, if that were the case, we would ex-              The preceding ideas are but a few of the ones rel-
pect marketing research to have produced a number              evant to what difference it could make which philo-
of strong empirical generalizations, something it has          sophical approach marketing scholars accept. Greater
failed to do.                                                  attention by scientific realists and relativists to the im-
     Because empirical testing cannot determine truth          plications of their views for practicing scientists would
as correspondence to reality, the relativistic view ar-        greatly enhance the value of their work for the field
gues that marketing scholars should place less em-             of marketing.
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