The Structure of Scientific Revolutions

The Structure of Scientific Revolutions

Cover of the first edition
Author Thomas S. Kuhn
Cover artist Ted Lacey
Country United States
Language English
Subject History of science
Genre essay
Publisher University of Chicago Press
Publication date
 1962 (50th Anniversary Edition: 2012)
Media type Print (hardcover and paperback)
Pages 264
ISBN 9780226458113
501
LC Class Q175.K95

The Structure of Scientific Revolutions (1962; second edition 1970; abbreviated SSR) is a book about the history of science by philosopher Thomas S. Kuhn. Its publication was a landmark event in the history, philosophy, and sociology of scientific knowledge and triggered an ongoing worldwide assessment and reaction in—and beyond—those scholarly communities. Kuhn challenged the then prevailing view of progress in "normal science." Normal scientific progress was viewed as "development-by-accumulation" of accepted facts and theories. Kuhn argued for an episodic model in which periods of such conceptual continuity in normal science were interrupted by periods of revolutionary science. The discovery of "anomalies" during revolutions in science leads to new paradigms. New paradigms then ask new questions of old data, move beyond the mere "puzzle-solving" of the previous paradigm, change the rules of the game and the "map" directing new research.[1]

For example, Kuhn's analysis of the Copernican Revolution emphasized that, in its beginning, it did not offer more accurate predictions of celestial events, such as planetary positions, than the Ptolemaic system, but instead appealed to some practitioners based on a promise of better, simpler, solutions that might be developed at some point in the future. Kuhn called the core concepts of an ascendant revolution its "paradigms" and thereby launched this word into widespread analogical use in the second half of the 20th century. Kuhn's insistence that a paradigm shift was a mélange of sociology, enthusiasm and scientific promise, but not a logically determinate procedure, caused an uproar in reaction to his work. Kuhn addressed concerns in the 1969 postscript to the second edition. For some commentators Kuhn's book introduced a realistic humanism into the core of science while for others the nobility of science was tarnished by Kuhn's introduction of an irrational element into the heart of its greatest achievements.

History

The Structure of Scientific Revolutions was first published as a monograph in the International Encyclopedia of Unified Science, then as a book by University of Chicago Press in 1962. In 1969, Kuhn added a postscript to the book in which he replied to critical responses to the first edition. A 50th Anniversary Edition (with an introductory essay by Ian Hacking) was published by the University of Chicago Press in April 2012.

Kuhn dated the genesis of his book to 1947, when he was a graduate student at Harvard University and had been asked to teach a science class for humanities undergraduates with a focus on historical case studies. Kuhn later commented that until then, "I'd never read an old document in science." Aristotle's Physics was astonishingly unlike Isaac Newton's work in its concepts of matter and motion. Kuhn concluded that Aristotle's concepts were not "bad Newton," just different.

Prior to the publication of Kuhn’s book, a number of ideas regarding the process of scientific investigation and discovery had already been proposed. Ludwig Fleck developed the first system of the sociology of scientific knowledge in his book The Genesis and Development of a Scientific Fact. He claimed that the exchange of ideas led to the establishment of a thought collective, which, when developed sufficiently, served to separate the field into esoteric (professional) and exoteric (laymen) circles.[2][3] Kuhn wrote the foreword to the 1979 edition of Fleck's book, noting that he read it in 1950 and was reassured that someone "saw in the history of science what I myself was finding there."[3]

One theory to which Kuhn replies directly is Karl Popper’s “falsificationism,” which stresses falsifiability as the most important criterion for distinguishing between that which is scientific and that which is unscientific. Kuhn also addresses verificationism, a philosophical movement that emerged in the 1920s among logical positivists. The verifiability principle claims that meaningful statements must be supported by empirical evidence or logical requirements.

Synopsis

Basic approach

Kuhn's approach to the history and philosophy of science focuses on conceptual issues like the practice of Normal Science, influence of historical events, emergence of scientific discoveries, nature of scientific revolutions and progress through scientific revolutions.[4] What sorts of intellectual options and strategies were available to people during a given period? What types of lexicons and terminology were known and employed during certain epochs? Stressing the importance of not attributing traditional thought to earlier investigators, Kuhn's book argues that the evolution of scientific theory does not emerge from the straightforward accumulation of facts, but rather from a set of changing intellectual circumstances and possibilities.[5] Such an approach is largely commensurate with the general historical school of non-linear history.

Historical examples of chemistry

Kuhn explains his ideas using examples taken from the history of science. For instance, eighteenth century scientists believed that homogenous solutions were chemical compounds. Therefore, a combination of water and alcohol was generally classified as a compound. Nowadays it is considered to be a solution, but there was no reason then to suspect that it was not a compound. Water and alcohol would not separate spontaneously, nor will they separate completely upon distillation (they form an azeotrope). Water and alcohol can be combined in any proportion.

Under this paradigm, scientists believed that chemical reactions (such as the combination of water and alcohol) did not necessarily occur in fixed proportion. This belief was ultimately overturned by Dalton’s atomic theory, which asserted that atoms can only combine in simple, whole-number ratios. Under this new paradigm, any reaction which did not occur in fixed proportion could not be a chemical process. This type world-view transition among the scientific community exemplifies the Kuhn's paradigm shift.[6]

Copernican Revolution

Main article: Copernican Revolution

A famous example of a revolution in scientific thought is the Copernican Revolution. In Ptolemy's school of thought, cycles and epicycles (with some additional concepts) were used for modeling the movements of the planets in a cosmos that had a stationary Earth at its center. As accuracy of celestial observations increased, complexity of the Ptolemaic cyclical and epicyclical mechanisms had to increase to maintain the calculated planetary positions close to the observed positions. Copernicus proposed a cosmology in which the Sun was at the center and the Earth was one of the planets revolving around it. For modeling the planetary motions, Copernicus used the tools he was familiar with, namely the cycles and epicycles of the Ptolemaic toolbox. Yet Copernicus' model needed more cycles and epicycles than existed in the then-current Ptolemaic model, and due to a lack of accuracy in calculations, his model did not appear to provide more accurate predictions than the Ptolemy model. Copernicus' contemporaries rejected his cosmology, and Kuhn asserts that they were quite right to do so: Copernicus' cosmology lacked credibility.

Kuhn illustrates how a paradigm shift later became possible when Galileo Galilei introduced his new ideas concerning motion. Intuitively, when an object is set in motion, it soon comes to a halt. A well-made cart may travel a long distance before it stops, but unless something keeps pushing it, it will eventually stop moving. Aristotle had argued that this was presumably a fundamental property of nature: for the motion of an object to be sustained, it must continue to be pushed. Given the knowledge available at the time, this represented sensible, reasonable thinking.

Galileo put forward a bold alternative conjecture: suppose, he said, that we always observe objects coming to a halt simply because some friction is always occurring. Galileo had no equipment with which to objectively confirm his conjecture, but he suggested that without any friction to slow down an object in motion, its inherent tendency is to maintain its speed without the application of any additional force.

The Ptolemaic approach of using cycles and epicycles was becoming strained: there seemed to be no end to the mushrooming growth in complexity required to account for the observable phenomena. Johannes Kepler was the first person to abandon the tools of the Ptolemaic paradigm. He started to explore the possibility that the planet Mars might have an elliptical orbit rather than a circular one. Clearly, the angular velocity could not be constant, but it proved very difficult to find the formula describing the rate of change of the planet's angular velocity. After many years of calculations, Kepler arrived at what we now know as the law of equal areas.

Galileo's conjecture was merely that — a conjecture. So was Kepler's cosmology. But each conjecture increased the credibility of the other, and together, they changed the prevailing perceptions of the scientific community. Later, Newton showed that Kepler's three laws could all be derived from a single theory of motion and planetary motion. Newton solidified and unified the paradigm shift that Galileo and Kepler had initiated.

Coherence

One of the aims of science is to find models that will account for as many observations as possible within a coherent framework. Together, Galileo's rethinking of the nature of motion and Keplerian cosmology represented a coherent framework that was capable of rivaling the Aristotelian/Ptolemaic framework.

Once a paradigm shift has taken place, the textbooks are rewritten. Often the history of science too is rewritten, being presented as an inevitable process leading up to the current, established framework of thought. There is a prevalent belief that all hitherto-unexplained phenomena will in due course be accounted for in terms of this established framework. Kuhn states that scientists spend most (if not all) of their careers in a process of puzzle-solving. Their puzzle-solving is pursued with great tenacity, because the previous successes of the established paradigm tend to generate great confidence that the approach being taken guarantees that a solution to the puzzle exists, even though it may be very hard to find. Kuhn calls this process normal science.

As a paradigm is stretched to its limits, anomalies — failures of the current paradigm to take into account observed phenomena — accumulate. Their significance is judged by the practitioners of the discipline. Some anomalies may be dismissed as errors in observation, others as merely requiring small adjustments to the current paradigm that will be clarified in due course. Some anomalies resolve themselves spontaneously, having increased the available depth of insight along the way. But no matter how great or numerous the anomalies that persist, Kuhn observes, the practicing scientists will not lose faith in the established paradigm until a credible alternative is available; to lose faith in the solvability of the problems would in effect mean ceasing to be a scientist.

In any community of scientists, Kuhn states, there are some individuals who are bolder than most. These scientists, judging that a crisis exists, embark on what Kuhn calls revolutionary science, exploring alternatives to long-held, obvious-seeming assumptions. Occasionally this generates a rival to the established framework of thought. The new candidate paradigm will appear to be accompanied by numerous anomalies, partly because it is still so new and incomplete. The majority of the scientific community will oppose any conceptual change, and, Kuhn emphasizes, so they should. To fulfill its potential, a scientific community needs to contain both individuals who are bold and individuals who are conservative. There are many examples in the history of science in which confidence in the established frame of thought was eventually vindicated. It is almost impossible to predict whether the anomalies in a candidate for a new paradigm will eventually be resolved. Those scientists who possess an exceptional ability to recognize a theory's potential will be the first whose preference is likely to shift in favour of the challenging paradigm. There typically follows a period in which there are adherents of both paradigms. In time, if the challenging paradigm is solidified and unified, it will replace the old paradigm, and a paradigm shift will have occurred.

Phases

Chronologically, Kuhn distinguishes between various phases.

Phase 1- It exists only once and is the pre-paradigm phase, in which there is no consensus on any particular theory. This phase is characterized by several incompatible and incomplete theories. Consequently, most scientific inquiry takes the form of lengthy books, as there is no common body of facts that may be taken for granted. If the actors in the pre-paradigm community eventually gravitate to one of these conceptual frameworks and ultimately to a widespread consensus on the appropriate choice of methods, terminology and on the kinds of experiment that are likely to contribute to increased insights.[7]

Phase 2- Normal Science, begins, in which puzzles are solved within the context of the dominant paradigm. As long as there is consensus within the discipline, normal science continues. Over time, progress in normal science may reveal anomalies, facts that are difficult to explain within the context of the existing paradigm.[8] While usually these anomalies are resolved, in some cases they may accumulate to the point where normal science becomes difficult and where weaknesses in the old paradigm are revealed.[9]

Phase 3- If the paradigm proves chronically unable to account for anomalies, the community enters a crisis period. Crises are often resolved within the context of normal science. However, after significant efforts of normal science within a paradigm fail, science may enter the next phase.[10]

Phase 4- Scientific revolution is the phase in which the underlying assumptions of the field are reexamined and a new paradigm is established.[11]

Phase 5- Post-Revolution, the new paradigm's dominance is established and so scientists return to normal science, solving puzzles within the new paradigm.[12]

A science may go through these cycles repeatedly, though Kuhn notes that it is a good thing for science that such shifts do not occur often or easily.

Incommensurability

According to Kuhn, the scientific paradigms preceding and succeeding a paradigm shift are so different that their theories are incommensurable — the new paradigm cannot be proven or disproven by the rules of the old paradigm, and vice versa. (A later interpretation by Kuhn of 'commensurable' versus 'incommensurable' was as a distinction between languages, namely, that statements in commensurable languages were translatable fully from one to the other, while in incommensurable languages, strict translation is not possible.[13]) The paradigm shift does not merely involve the revision or transformation of an individual theory, it changes the way terminology is defined, how the scientists in that field view their subject, and, perhaps most significantly, what questions are regarded as valid, and what rules are used to determine the truth of a particular theory. The new theories were not, as the scientists had previously thought, just extensions of old theories, but were instead completely new world views. Such incommensurability exists not just before and after a paradigm shift, but in the periods in between conflicting paradigms. It is simply not possible, according to Kuhn, to construct an impartial language that can be used to perform a neutral comparison between conflicting paradigms, because the very terms used are integral to the respective paradigms, and therefore have different connotations in each paradigm. The advocates of mutually exclusive paradigms are in a difficult position: "Though each may hope to convert the other to his way of seeing science and its problems, neither may hope to prove his case. The competition between paradigms is not the sort of battle that can be resolved by proofs."[14] Scientists subscribing to different paradigms end up talking past one another.

Kuhn states that the probabilistic tools used by verificationists are inherently inadequate for the task of deciding between conflicting theories, since they belong to the very paradigms they seek to compare. Similarly, observations that are intended to falsify a statement will fall under one of the paradigms they are supposed to help compare, and will therefore also be inadequate for the task. According to Kuhn, the concept of falsifiability is unhelpful for understanding why and how science has developed as it has. In the practice of science, scientists will only consider the possibility that a theory has been falsified if an alternative theory is available that they judge credible. If there is not, scientists will continue to adhere to the established conceptual framework. If a paradigm shift has occurred, the textbooks will be rewritten to state that the previous theory has been falsified.[12]

Kuhn further developed his ideas regarding incommensurability in the 1980s and 1990s. In his unpublished manuscript The Plurality of Worlds, Kuhn introduces the theory of kind concepts: sets of interrelated concepts that are characteristic of a time period in a science and differ in structure from the modern analogous kind concepts. These different structures imply different “taxonomies” of things and processes, and this difference in taxonomies constitutes incommensurability.[15] This theory is strongly naturalistic and draws on developmental psychology to “found a quasi-transcendental theory of experience and of reality.”[16]

Kuhn's opinion on scientific progress

The first edition of SSR ended with a chapter titled "Progress through Revolutions", in which Kuhn spelled out his views on the nature of scientific progress. Since he considered problem solving to be a central element of science, Kuhn saw that for a new candidate paradigm to be accepted by a scientific community, "First, the new candidate must seem to resolve some outstanding and generally recognized problem that can be met in no other way. Second, the new paradigm must promise to preserve a relatively large part of the concrete problem solving activity that has accrued to science through its predecessors.[17][18]

While the new paradigm is rarely as expansive as the old paradigm in its initial stages, it must nevertheless have significant promise for future problem-solving. As a result, though new paradigms seldom or never possess all the capabilities of their predecessors, they usually preserve a great deal of the most concrete parts of past achievement and they always permit additional concrete problem-solutions besides.[19]

In the second edition of SSR, Kuhn added a postscript in which he elaborated his ideas on the nature of scientific progress. He described a thought experiment involving an observer who has the opportunity to inspect an assortment of theories, each corresponding to a single stage in a succession of theories. What if the observer is presented with these theories without any explicit indication of their chronological order? Kuhn anticipates that it will be possible to reconstruct their chronology on the basis of the theories' scope and content, because the more recent a theory is, the better it will be as an instrument for solving the kinds of puzzle that scientists aim to solve. Kuhn remarked: "That is not a relativist's position, and it displays the sense in which I am a convinced believer in scientific progress."[20][21]

Influence

Since the book’s publication, over one million copies have been sold, including translations into sixteen different languages.[22] In 1987, The Structure of Scientific Revolutions was reported to be the twentieth-century book most frequently cited in the period 1976-83 in the arts and the humanities.[23] The changes that occur in politics, society and business are often expressed in Kuhnian terms, however poor their parallel with the practice of science may seem to scientists and historians of science. The terms "paradigm" and "paradigm shift" have become such notorious clichés and buzzwords that they are viewed as effectively devoid of content.[24][25]

Philosophy

The first extensive review of SSR was authored by Dudley Shapere, a philosopher who interpreted Kuhn's work as a continuation of the anti-positivist sentiment of other philosophers of science, including Feyerabend and Hanson. Shapere notes the book’s influence on the philosophical landscape of the time, calling it “a sustained attack on the prevailing image of scientific change as a linear process of ever-increasing knowledge.”[26] Philosopher Michael Ruse writes that it discredited the ahistorical and prescriptive approach to the philosophy of science of Ernest Nagel's The Structure of Science (1961).[27] The book did indeed spark a historicist "revolt against positivism" (the so-called "historical turn in philosophy of science" which looked to the history of science as a source of data for developing a philosophy of science),[28] although this may not have been Kuhn’s intention; in fact, he had already approached the prominent positivist Rudolf Carnap about having Structure published in the International Encyclopedia of Unified Science.[29]

Sociology

The first field to claim descent from Kuhn’s ideas was the sociology of scientific knowledge (SSK).[30] Sociologists working within this new field, including Harry Collins and Steven Shapin, used Kuhn’s emphasis on the role of non-evidential community factors in scientific development to argue against logical empiricism, which discouraged inquiry into the social aspects of scientific communities. These sociologists expanded upon Kuhn’s ideas, arguing that scientific judgment is determined by social factors, such as professional interests and political ideologies.[31]

Barry Barnes detailed the connection between SSK and Kuhn in his book T.S. Kuhn and Social Science.[32] In particular, Kuhn’s ideas regarding science occurring within an established framework informed Barnes’ own ideas regarding finitism, a theory wherein meaning is continuously changed (even during periods of normal science) by its usage within the social framework.[33] [34]

SSR elicited a number of reactions from the broader sociological community. Following the book's publication, some sociologists expressed the belief that the field of sociology had not yet developed a unifying paradigm, and should therefore strive towards homogenization. Others argued that the field was in the midst of normal science, and speculated that a new revolution would soon emerge. Some sociologists, including John Urry, doubted that Kuhn's theory, which addressed the development of natural science, was necessarily relevant to sociological development.[35]

Economics

Developments in the field of economics are often expressed and legitimized in Kuhnian terms. For instance, neoclassical economists have claimed “to be at the second stage [normal science], and to have been there for a very long time – since Adam Smith, according to some accounts (Hollander, 1987), or Jevons according to others (Hutchison, 1978).”[36] In the 1970s, Post Keynesian economists denied the coherence of the neoclassical paradigm, claiming that their own paradigm would ultimately become dominant.[36]

While perhaps less explicit, Kuhn’s influence remains apparent in recent economics. For instance, the abstract of Olivier Blanchard’s paper “The State of Macro” (2008) begins:

For a long while after the explosion of macroeconomics in the 1970s, the field looked like a battlefield. Over time however, largely because facts do not go away, a largely shared vision both of fluctuations and of methodology has emerged. Not everything is fine. Like all revolutions, this one has come with the destruction of some knowledge, and suffers from extremism and herding.[37]

Political science

In 1974, SSR was ranked as the second most frequently used book in political science courses focused on scope and methods.[38] In particular, Kuhn’s theory has been used by political scientists to critique behavioralism, which claims that accurate political statements must be both testable and falsifiable.[39] SSR also proved popular with political scientists embroiled in debates about whether a set of formulations put forth by a political scientists constituted a theory, or something else.[40]

Philip Beardsley argued that applying a uniparadigmatic system to political science would be “morally indefensible,” as it would involve arbitrarily choosing one view from among a large pool of fundamentally divergent political viewpoints. Instead, he contended that political science should strive to consider alternate interpretations, thereby achieving a multiparadigmatic state.[41]

Criticisms

Front cover of Imre Lakatos and Alan Musgrave, ed., Criticism and the Growth of Knowledge.

Kuhn's SSR was soon criticized by his colleagues in the history and philosophy of science. In 1965, a special symposium on SSR was held at an International Colloquium on the Philosophy of Science that took place at Bedford College, London, and was chaired by Karl Popper. The symposium led to the publication of the symposium's presentations plus other essays, most of them critical, which eventually appeared in an influential volume of essays that by 1999 had gone through 21 printings. Kuhn expressed the opinion that his critics' readings of his book were so inconsistent with his own understanding of it that he was "...tempted to posit the existence of two Thomas Kuhns," one the author of his book, the other the individual who had been criticized in the symposium by "Professors Popper, Feyerabend, Lakatos, Toulmin and Watkins."[42]

A number of the included essays question the existence of normal science. In his essay, Feyerabend suggests that Kuhn’s conception of normal science fits organized crime as well as it does science.[43] Popper goes so far as to express distaste with the entire premise of SSR, writing, “the idea of turning for enlightenment concerning the aims of science, and its possible progress, to sociology or to psychology (or. . .to the history of science) is surprising and disappointing.”[44]

Concept of paradigm

In his 1972 work, Human Understanding, Stephen Toulmin argued that a more realistic picture of science than that presented in SSR would admit the fact that revisions in science take place much more frequently, and are much less dramatic than can be explained by the model of revolution/normal science. In Toulmin's view, such revisions occur quite often during periods of what Kuhn would call "normal science." For Kuhn to explain such revisions in terms of the non-paradigmatic puzzle solutions of normal science, he would need to delineate what is perhaps an implausibly sharp distinction between paradigmatic and non-paradigmatic science.[45]

Incommensurability of paradigms

In a series of texts published in the early 1970s, C.R. Kordig asserted a position somewhere between that of Kuhn and the older philosophy of science. His criticism of the Kuhnian position was that the incommensurability thesis was too radical, and that this made it impossible to explain the confrontation of scientific theories that actually occurs. According to Kordig, it is in fact possible to admit the existence of revolutions and paradigm shifts in science while still recognizing that theories belonging to different paradigms can be compared and confronted on the plane of observation. Those who accept the incommensurability thesis do not do so because they admit the discontinuity of paradigms, but because they attribute a radical change in meanings to such shifts.[46]

Kordig maintains that there is a common observational plane. For example, when Kepler and Tycho Brahe are trying to explain the relative variation of the distance of the sun from the horizon at sunrise, both see the same thing (the same configuration is focused on the retina of each individual). This is just one example of the fact that "rival scientific theories share some observations, and therefore some meanings." Kordig suggests that with this approach, he is not reintroducing the distinction between observations and theory in which the former is assigned a privileged and neutral status, but that it is possible to affirm more simply the fact that, even if no sharp distinction exists between theory and observations, this does not imply that there are no comprehensible differences at the two extremes of this polarity.

At a secondary level, for Kordig there is a common plane of inter-paradigmatic standards or shared norms that permit the effective confrontation of rival theories.[46]

In 1973, Hartry Field published an article that also sharply criticized Kuhn's idea of incommensurability. In particular, he took issue with this passage from Kuhn:

"Newtonian mass is immutably conserved; that of Einstein is convertible into energy. Only at very low relative velocities can the two masses be measured in the same way, and even then they must not be conceived as if they were the same thing." (Kuhn 1970).

Field takes this idea of incommensurability between the same terms in different theories one step further. Instead of attempting to identify a persistence of the reference of terms in different theories, Field's analysis emphasizes the indeterminacy of reference within individual theories. Field takes the example of the term "mass", and asks what exactly "mass" means in modern post-relativistic physics. He finds that there are at least two different definitions:

  1. Relativistic mass: the mass of a particle is equal to the total energy of the particle divided by the speed of light squared. Since the total energy of a particle in relation to one system of reference differs from the total energy in relation to other systems of reference, while the speed of light remains constant in all systems, it follows that the mass of a particle has different values in different systems of reference.
  2. "Real" mass: the mass of a particle is equal to the non-kinetic energy of a particle divided by the speed of light squared. Since non-kinetic energy is the same in all systems of reference, and the same is true of light, it follows that the mass of a particle has the same value in all systems of reference.

Projecting this distinction backwards in time onto Newtonian dynamics, we can formulate the following two hypotheses:

HR: the term "mass" in Newtonian theory denotes relativistic mass.
Hp: the term "mass" in Newtonian theory denotes "real" mass.

According to Field, it is impossible to decide which of these two affirmations is true. Prior to the theory of relativity, the term "mass" was referentially indeterminate. But this does not mean that the term "mass" did not have a different meaning than it now has. The problem is not one of meaning but of reference. The reference of such terms as mass is only partially determined: we don't really know how Newton intended his use of this term to be applied. As a consequence, neither of the two terms fully denotes (refers). It follows that it is improper to maintain that a term has changed its reference during a scientific revolution; it is more appropriate to describe terms such as "mass" as "having undergone a denotional refinement."[47]

Incommensurability and perception

The close connection between the interpretationalist hypothesis and a holistic conception of beliefs is at the root of the notion of the dependence of perception on theory, a central concept in SSR. Kuhn maintained that the perception of the world depends on how the percipient conceives the world: two scientists who witness the same phenomenon and are steeped in two radically different theories will see two different things. According to this view, our interpretation of the world determines what we see.[48]

Jerry Fodor attempts to establish that this theoretical paradigm is fallacious and misleading by demonstrating the impenetrability of perception to the background knowledge of subjects. The strongest case can be based on evidence from experimental cognitive psychology, namely the persistence of perceptual illusions. Knowing that the lines in the Müller-Lyer illusion are equal does not prevent one from continuing to see one line as being longer than the other. This impenetrability of the information elaborated by the mental modules limits the scope of interpretationalism.[49]

In epistemology, for example, the criticism of what Fodor calls the interpretationalist hypothesis accounts for the common-sense intuition (on which naïve physics is based) of the independence of reality from the conceptual categories of the experimenter. If the processes of elaboration of the mental modules are in fact independent of the background theories, then it is possible to maintain the realist view that two scientists who embrace two radically diverse theories see the world exactly in the same manner even if they interpret it differently. The point is that it is necessary to distinguish between observations and the perceptual fixation of beliefs. While it is beyond doubt that the second process involves the holistic relationship between beliefs, the first is largely independent of the background beliefs of individuals.

Other critics, such as Israel Sheffler, Hilary Putnam and Saul Kripke, have focused on the Fregean distinction between sense and reference in order to defend scientific realism. Sheffler contends that Kuhn confuses the meanings of terms such as "mass" with their references. While their meanings may very well differ, their references (the objects or entities to which they correspond in the external world) remain fixed.[50]

Awards and honors

Editions

See also

Notes

  1. ↑ Kuhn, Thomas S. The Structure of Scientific Revolutions. 3rd ed. Chicago, IL: University of Chicago Press, 1996. Asking new questions of old data on pages 139, 159. Moving beyond "puzzle-solving" on pages 37, 144. Change in rule sets on pages 40, 41, 52, 175. Change in the direction or "map" of research on pages 109, 111.
  2. ↑ Fleck, Ludwig (1935). Entstehung und Entwicklung einer wissenschaftlichen Tatsache. Einführung in die Lehre vom Denkstil und Denkkollektiv (in German). Verlagsbuchhandlung, Basel: Schwabe und Co.
  3. 1 2 Fleck, Ludwig (1979). Genesis and development of a scientific fact. Chicago, IL: University of Chicago Press. pp. viii.
  4. ↑ Kuhn, Thomas S. (1962). The Structure of Scientific Revolutions (PDF) (1st ed.). Chicago, IL: University of Chicago Press. p. 3. ISBN 9780226458113.
  5. ↑ Kuhn, Thomas (1962). The Structure of Scientific Revolutions (PDF) (1st ed.). Chicago, IL: The University of Chicago Press. p. 210. ISBN 9780226458113.
  6. ↑ Kuhn, Thomas S. (1962). The Structure of Scientific Revolutions (PDF) (1st ed.). Chicago, IL: University of Chicago Press. pp. 130–132. ISBN 9780226458113.
  7. ↑ Kuhn, Thomas S. (1962). "II. The Route to Normal Science". The Structure of Scientific Revolutions (PDF) (1st ed.). Chicago, IL: University of Chicago Press. ISBN 9780226458113.
  8. ↑ Kuhn, Thomas S. (1962). "VI. Anomaly and the Emergence of Scientific Discoveries". The Structure of Scientific Revolutions (PDF) (1st ed.). Chicago, IL: University of Chicago Press. ISBN 9780226458113.
  9. ↑ Kuhn, Thomas S. (1962). "III. The Nature of Normal Science". The Structure of Scientific Revolution (PDF) (1st ed.). Chicago, IL: University of Chicago Press. ISBN 9780226458113.
  10. ↑ Kuhn, Thomas S. (1962). "VII. Crisis and the Emergence of Scientific Theories". The Structure of Scientific Revolutions (PDF) (1st ed.). Chicago, IL: University of Chicago Press. ISBN 9780226458113.
  11. ↑ Kuhn, Thomas S. (1962). "Section IX. The Nature and Necessity of Scientific Revolutions". The Structure of Scientific Revolutions (PDF) (1st ed.). Chicago, IL: University of Chicago Press. ISBN 9780226458113.
  12. 1 2 Kuhn, Thomas S. (1962). "XII. The Resolution of Revolutions". The Structure of Scientific Revolutions (PDF) (1st ed.). Chicago, IL: University of Chicago Press. ISBN 9780226458113.
  13. ↑ James Conant, John Haugeland (2002). "Editors' introduction". The Road Since Structure: Philosophical Essays, 1970-1993, with an Autobiographical Interview (2nd ed.). University of Chicago Press. p. 4. ISBN 0226457990.
  14. ↑ Kuhn, Thomas S. (1962). The Structure of Scientific Revolutions (PDF) (1st ed.). Chicago, IL: University of Chicago Press. p. 148. ISBN 9780226458113.
  15. ↑ Hoyningen-Huene, Paul (2015). "Kuhn’s Development Before and After Structure". Kuhn's Structure of Scientific Revolutions - 50 Years On. Boston Studies in the Philosophy and History of Science 311. Springer International Publishing. ISBN 978-3-319-13382-9.
  16. ↑ Hoyningen-Huene, Paul (March 19, 2015). "Kuhn’s Development Before and After Structure". Springer Link. Springer International Publishing. Retrieved March 29, 2016.
  17. ↑ Kuhn, T.S. (1962). The Structure of Scientific Revolutions (PDF). Chicago, IL: University of Chicago Press. p. 168. ISBN 9780226458113.
  18. ↑ Kuhn, Thomas S. (1962). The Structure of Scientific Revolutions (PDF) (1st ed.). Chicago, IL: University of Chicago Press. p. 168. ISBN 9780226458113.
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  20. ↑ Kuhn, Thomas S. (1970). The Structure of Scientific Revolutions (2nd ed.). Chicago, IL: Chicago University Press. p. 206. ISBN 9780226458113.
  21. ↑ Discussed further in David Weinberger "Shift Happens." Chronicle of Higher Education April 22, 2012, 3023
  22. ↑ Figures cited in John Horgan, “Profile: Reluctant Revolutionary—Thomas S. Kuhn Unleashed ‘Paradigm’ on the World,” Scientific American (May 1991), 40.
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  27. ↑ Ruse, Michael (2005). Honderich, Ted, ed. The Oxford Companion to Philosophy. Oxford: Oxford University Press. p. 637. ISBN 0-19-926479-1.
  28. ↑ K. Brad Wray, Kuhn's Evolutionary Social Epistemology, Cambridge University Press, 2011, p. 87.
  29. ↑ Fuller, Steve (1992). "Being There with Thomas Kuhn: A Parable for Postmodern Times". History and Theory 31.3: 244.
  30. ↑ Fuller, Steve (1992). "Being There with Thomas Kuhn: A Parable for Postmodern Times". History and Theory 31.3: 247.
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  34. ↑ Korta, Kepa; Larrazabal, Jesus M., eds. (2004). Truth, Rationality, Cognition, and Music: Proceedings of the Seventh International Colloquium on Cognitive Science. Kluwer Academic Publishers.
  35. ↑ Urry, John (1973). "Thomas S. Kuhn as Sociologist of Knowledge". The British Journal of Sociology 24: 463–464. doi:10.2307/589735.
  36. 1 2 King, J.E. (2002). A History of Post Keynesian Economics Since 1936. Cheltenham, UK: Edward Elgar Publishing, Inc. p. 250. ISBN 1843766507.
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  39. ↑ Ricci, David (1977). "Reading Thomas Kuhn in the Post-Behavioral Era". The Western Political Quarterly 30.
  40. ↑ Stephens, Jerome (1973). "The Kuhnian Paradigm and Political Inquiry: An Appraisal". American Journal of Political Science 17: 468.
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  42. ↑ Imre Lakatos and Alan Musgrave, eds. Criticism and the Growth of Knowledge: Volume 4: Proceedings of the International Colloquium in the Philosophy of Science, London, 1965, (Cambridge: Cambridge University Press, 1970), pp. 231.
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  44. ↑ Lakatos, Imre, ed. (1970). Criticism and the Growth of Knowledge: Volume 4: Proceedings of the International Colloquium in the Philosophy of Science, London, 1965. Cambridge University Press. p. 57. ISBN 9780521096232.
  45. ↑ Toulmin, S. (1972). Human Understanding. Oxford: Clarendon Press. ISBN 0-19-824361-8.
  46. 1 2 Kordig, C. R. (1973). "Discussion: Observational Invariance". Philosophy of Science 40: 558–569. doi:10.1086/288565.
  47. ↑ Field, H. (1973). "Theory Change and the Indeterminacy of Reference". Journal of Philosophy 70 (14): 462–481. doi:10.2307/2025110. JSTOR 2025110.
  48. ↑ Ferretti, F. (2001). Jerry A. Fodor. Rome: Editori Laterza. ISBN 88-420-6220-0.
  49. ↑ de Gelder, Beatrice (1989). "Granny, The Naked Emperor and the Second Cognitive Revolution". The Cognitive Turn: Sociological and Psychological Perspectives on Science. Sociology of the Sciences Yearbook 13. Springer Netherlands. pp. 97–100. ISBN 978-0-7923-0306-0.
  50. ↑ Scheffler, Israel (1982). Science and Subjectivity. Indianapolis, IN: Hackett Publishing Company. p. 16.
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