Evolutionary scales lack utility: A reply to Yarczower and Hazlett

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Abstract

M. Yarczower and L. Hazlett (see record 1978-24293-001) have proposed that evolutionary scaling based on anagenesis (biological improvement) is an acceptable--even desirable--facet of contemporary comparative psychology. Strong disagreement with this thesis is offered. Criticisms are based on (a) their misconception of anagenesis, (b) inconsistencies in the use of the term “evolutionary grades,” (c) typological thinking, and (d) the lack of utility of evolutionary scales. Reversion to evolutionary scaling by comparative psychologists would disrupt the ongoing synthesis of comparative psychology with other evolutionary sciences. (9 ref) (PsycINFO Database Record (c) 2006 APA, all rights reserved)

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