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<blockquote style="background: #F9F9F9; border: 1px solid #AAAAAA; padding: .3em;">
<blockquote style="background: #F9F9F9; border: 1px solid #AAAAAA; padding: .3em;">
"A mature science, according to Kuhn, experiences alternating phases of normal science and revolutions. In normal science the key theories, instruments, values and metaphysical assumptions that comprise the disciplinary matrix are kept fixed, permitting the cumulative generation of puzzle-solutions, whereas in a scientific revolution the disciplinary matrix undergoes revision, in order to permit the solution of the more serious anomalous puzzles that disturbed the preceding period of normal science." [http://plato.stanford.edu/entries/thomas-kuhn/#3]
"A mature science, according to Kuhn, experiences alternating phases of normal science and revolutions. In normal science the key theories, instruments, values and metaphysical assumptions that comprise the disciplinary matrix are kept fixed, permitting the cumulative generation of puzzle-solutions, whereas in a scientific revolution the disciplinary matrix undergoes revision, in order to permit the solution of the more serious [[Anomaly|anomalous]] puzzles that disturbed the preceding period of normal science." [http://plato.stanford.edu/entries/thomas-kuhn/#3]
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Kuhn had a theory about the history of science which denied the existence of scientific progress, and which denied the rationality of scientists switching from one theory to another. He popularized the term "paradigm shift" to describe such a switch, and the term has become immensely popular among those advance ideas without empirical justification.
Kuhn had a theory about the history of science which denied the existence of scientific progress, and which denied the rationality of scientists switching from one theory to another. He popularized the term "paradigm shift" to describe such a switch, and the term has become immensely popular among those advance ideas without empirical justification.