Academic journal article Southwest Journal of Linguistics

Linguistics and the Scientific Method

Academic journal article Southwest Journal of Linguistics

Linguistics and the Scientific Method

Article excerpt

ABSTRACT. In the present paper, I contrast empirical and non-empirical approaches to linguistics by examining the extent to which they practice the scientific method. I provide examples of linguistic analyses that follow and depart from the scientific method and argue that valid explanations about actual language processing rely on adherence to scientific methodology. However, this is not a requirement for philosophical arguments about abstract language structure. Charges of pseudoscience arise when empirical significance is attached to analyses that fail to follow the scientific method. Progress in linguistics is only made to the extent that researchers adopt the method that is standard in scientific endeavors.

1. INTRODUCTION. If you were to randomly select an introductory science textbook the chances are very high that you would find a section dedicated to the scientific method. The steps of the scientific method are usually enumerated in this way:

(1) Observe a phenomenon.

(2) Formulate a hypothesis to explain it.

(3) Carry out an experiment or collect other observations to test the hypothesis.

(4) Analyze the results to determine whether they confirm or refute the hypothesis.

Studies which follow these steps are considered empirical or scientific. Of course, not every field of study is scientific. Literature, philosophy, pure mathematics, formal logic, and art are examples of these. All of them are worthy areas of inquiry even though they are not scientific, and in general they do not purport to be.

In contrast, some fields have all the trappings of a scientific enterprise, but unlike philosophy or literature, for instance, they appear to make scientific assertions. Such enterprises are considered pseudosciences because they make scientific sounding claims but arrive at their conclusions without follow the scientific method. Astrology, extra-sensory perception, UFOlogy, and studies that tout magic diet pills fall into this category. Besides their failure to follow scientific method, pseudosciences demonstrate a number of other characteristics as well (Ruscio 2002): (1)

(1) They ignore contradictory evidence.

(2) Their proponents often react in a hostile manner when their orthodoxy ms challenged.

(3) They use an inordinate amount of technical jargon.

(4) The correctness of their ideas is supported by argumentation, reasoning, intuition, introspection, and reference to authority figures rather than tangible evidence.

(5) Very little new real-world knowledge is produced.

(6) It is impossible to subject their theories to scrutiny.

(6) Explanations are vague and often involve scientific terms used out of context.

My contention in this paper is not to argue that the whole of linguistics is either scientific or pseudoscientific. It is patently unfair to subsume entire fields under one rubric or another since there is a great deal of diversity regarding how individual studies are carried out. I will, in fact, review some instances of pseudoscientific physics. However, the principal focus of this paper is to evaluate specific linguistic analyses and hypotheses in terms of their adherence to the scientific method. It is my hope that a discussion of scientific methodology will highlight the importance of well-designed experimental and quantitative analyses, and how these lead to progress in understanding linguistic processes.

2. OBSERVATION. The first step in the scientific method is to observe some phenomenon. Linguists are masters of observation and hardly an observable generalization is left untouched in some framework. Slips-of-the-tongue, bizarre syntax, and unusual pronunciations rarely go unnoticed either, and partners of linguists often lament that what they say is not heard, but rather, how they say it.

3. HYPOTHESIS FORMATION. …

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