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Growth curve analyses are best suited to examine the relation between developmental pathways and selective breeding: Comment on Hofer, Shair, Masmela, & Brunelli, “Developmental effects of selective breeding for an infantile trait: The rat pup ultrasonic isolation call”

✍ Scribed by George F. Michel

Publisher
John Wiley and Sons
Year
2001
Tongue
English
Weight
74 KB
Volume
39
Category
Article
ISSN
0012-1630

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✦ Synopsis

Abstract

Hofer, Brunelli, Shair, & Masmela (2001) provide valuable information about the effects of selective breeding on rat‐pup behaviors and physiology. Although the design and statistical analytic techniques employed are typical of those used to evaluate behavioral development in animals, I offer several suggestions about how to evaluate the influence of selective breeding on developmental pathways using modern statistical techniques. As Hofer et al. demonstrate, the development of rat behavior and physiology can be an excellent model for examining the relation between selection and development. © 2001 John Wiley & Sons, Inc. Dev Psychobiol 39: 247–250, 2001

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## Abstract Hofer, Brunelli, Shair, and Masmela (2001) examined several behavioral and physiological measures in low, high, and unselected lines obtained from a divergent selection for ultrasound production (USP) in young rats. Although the response to selection was clear‐cut, few correlated respon