✦ LIBER ✦

On solving the correct problem: Wishing does not make it so

✍ Scribed by Mark D. Pagel; Paul H. Harvey

Book ID: 104154951
Publisher: Elsevier Science
Year: 1992
Tongue: English
Weight: 349 KB
Volume: 156
Category: Article
ISSN: 0022-5193
DOI: 10.1016/s0022-5193(05)80636-8

No coin nor oath required. For personal study only.

✦ Synopsis

Tukey wrote "far better an approximate solution to the right question.., than an exact answer to the wrong question, which can always be made precise". We have described a procedure for performing comparative analyses that retains step-by-step flexibility so that the user can assess whether the data being analysed accord with the assumptions of the model being used. Grafen advocates the use of a different procedure which does not allow such flexibility. His account of what we have written, and his criticisms of our procedure are wrong and misleading. Both Grafen's procedure and ours are variants of Felsentein's (1985, Am. Nat. 125, 1-15) independent contrasts method which marks a major advance in comparative methodology. The procedures force users to make decisions about the way they think evolution has proceeded. Any comparative technique which attempts to gloss over that question is making implicit assumptions that should be made explicit.

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