Timothy Shanahan
Loyola Marymount University
Biologists Richard Dawkins and Stephen Jay Gould have recently extended their decades-old disagreements about evolution to the issue of the nature and reality of evolutionary progress. According to Gould, 'progress' is a noxious notion that deserves to be expunged from evolutionary biology. In Dawkins' view, on the other hand, progress is one of the most important, pervasive and inevitable aspects of evolution. Simple appeals to 'the evidence' are clearly insufficient to resolve this disagreement, since it is precisely the interpretation of the evidence that is in dispute. Scientific controversies in general, and the Dawkins/Gould dispute over evolutionary progress in particular, are worth examining in some detail because doing so sheds light on the interconnected roles of methodological and contextual factors in the formation, articulation and defense of scientific claims. My aim in this paper is to clarify the structure of the Dawkins/Gould dispute by analyzing it in terms of a tri-level model of scientific controversies, involving 'top-level' substantive disagreements, 'middle-level' methodological differences, and 'bottom-level' differences in historical and social factors. This simple three-tiered model is sufficiently abstract to have more general applicability to other scientific controversies.
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DOI 10.1016/S1369-8486(00)00025-X
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References found in this work BETA

Punctuated Equilibria: An Alternative to Phyletic Gradualism.Niles Eldredge & Stephen Jay Gould - 1972 - In Thomas J. M. Schopf (ed.), Models in Paleobiology. Freeman Cooper. pp. 82-115.
Two Explanations of Evolutionary Progress.Gregory Radick - 2000 - Biology and Philosophy 15 (4):475-491.
Progress: Biological and Other.Julian S. Huxley - 1922 - Hibbert Journal 21:436.

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