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Cited by 866

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REGRESSION ANALYSIS OF NATURAL SELECTION: STATISTICAL INFERENCE AND BIOLOGICAL INTERPRETATION

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Mitchell‐Olds, Thomas, Shaw, Ruth G.·1987·Evolution

Abstract

Recent theoretical work in quantitative genetics has fueled interest in measuring natural selection in the wild. We discuss statistical and biological issues that may arise in applications of Lande and Arnold's (1983) multiple-regression approach to measuring selection. We review assumptions involved in estimation and hypothesis testing in regression problems, and we note difficulties that frequently arise as a result of violation of these assumptions. In particular, multicollinearity (extreme intercorrelation of characters) and extrinsic, unmeasured factors affecting fitness may seriously complicate inference regarding selection. Further, violation of the assumption that residuals are normally distributed vitiates tests of significance. For this situation, we suggest applications of recently developed jackknife tests of significance. While fitness regression permits direct assessment of selection in a form suitable for predicting selection response, we suggest that the aim of inferring causal relationships about the effects of phenotypic characters on fitness is greatly facilitated by manipulative experiments. Finally, we discuss alternative definitions of stabilizing and disruptive selection.

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Metadata

Authors
Mitchell‐Olds, T., & Shaw, R. G.
Venue
Evolution
Published
1987-11
Volume
41
Issue
6
Pages
1149-1161
ISSN
  • 0014-3820 (ISSN-L)
  • 1558-5646
OpenAlex
W2051004220
Cited by
866
References
3
FWCI
30.32
Type
journal article
Language
en
Open access
bronze

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Mitchell‐Olds, T., & Shaw, R. G. (1987). REGRESSION ANALYSIS OF NATURAL SELECTION: STATISTICAL INFERENCE AND BIOLOGICAL INTERPRETATION. Evolution. https://doi.org/10.1111/j.1558-5646.1987.tb02457.x

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