Thomas Kuhn on Critical Discourse and Science

„To turn Karl [Popper]'s view on its head, it is precisely the abandonment of critical discourse that marks the transition of science. Once a field has made the transition, critical discourse recurs only at moments of crisis when the bases of the field are again in jeopardy. Only when they must choose between competing theories do scientists behave like philosophers.“

Thomas KuhnThomas Kuhn on critical discourse, scientific crises, and choosing between competing theories.
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Thomas Kuhn was an American physicist, philosopher of science, and historian of science.

Thomas Kuhn describes critical discourse as a feature of scientific crises and theoretical shifts.


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Thomas Kuhn quote about critical discourse, scientific fields, and moments of crisis

Thomas Samuel Kuhn (1922–1996) was one of the influential philosophers of science of the 20th century. In his major work, “The Structure of Scientific Revolutions,” he described the development of science as a sequence of periods of normal science interrupted by scientific revolutions. He is particularly associated with the concept of the paradigm shift and with the idea that different paradigms may be incommensurable.

Thomas Kuhn quote about science and philosophical analysisCopyright © yoice.net – Quote Artwork
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"It is, I think, particularly in periods of acknowledged crisis that scientists have turned to philosophical analysis as a device for unlocking the riddles of their field. Scientists have not generally needed or wanted to be philosophers." Thomas Kuhn
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Thomas Kuhn quote about crises, paradigms, and the rules of normal researchCopyright © yoice.net – Quote Artwork
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"All crises begin with the blurring of a paradigm and the consequent loosening of the rules for normal research. .. Or finally, the case that will most concern us here, a crisis may end with the emergence of a new candidate for paradigm and with the ensuing battle over its acceptance." Thomas Kuhn
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Thomas Kuhn quote about paradigm choice, scientific revolutions, and the scientific communityCopyright © yoice.net – Quote Artwork
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"As in political revolutions, so in paradigm choice--there is no standard higher than the assent of the relevant community. To discover how scientific revolutions are effected, we shall therefore have to examine not only the impact of nature and of logic, but also the techniques of persuasive argumentation effective within the quite special groups that constitute the community of scientists." Thomas Kuhn
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Thomas Kuhn quote about paradigm shifts and how scientists perceive the worldCopyright © yoice.net – Quote Artwork
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"The historian of science may be tempted to claim that when paradigms change, the world itself changes with them. Led by a new paradigm, scientists adopt new instruments and look in new places. even more important, during revolutions, scientists see new and different things when looking with familiar instruments in places they have looked before. It is rather as if the professional community had been suddenly transported to another planet where familiar objects are seen in a different light and are joined by unfamiliar ones as well." Thomas Kuhn
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Thomas Kuhn quote about normal science and the suppression of new ideasCopyright © yoice.net – Quote Artwork
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"Normal science, the activity in which most scientists inevitably spend most all their time, is predicated on the assumption that the scientific community knows what the world is like. Normal science often suppresses fundamental novelties because they are necessarily subversive of its basic commitments." Thomas Kuhn
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Thomas Kuhn quote about paradigm choice and the role of scientific communitiesCopyright © yoice.net – Quote Artwork
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"As in political revolutions, so in paradigm choice-there is no standard higher than the assent of the relevant community... this issue of paradigm choice can never be unequivocally settled by logic and experiment alone." Thomas Kuhn
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Normal Science – Quote by Thomas KuhnNormal Science quote image by Thomas KuhnCopyright © yoice.net – Quote ArtworkThomas Kuhn quote about paradigm choice and the role of scientific communitiesCopyright © yoice.net – Quote ArtworkThomas Kuhn on Paradigm Choice and Science