Assessment of the randomization test for binomial sex-ratio distributions in birds

Title: Assessment of the randomization test for binomial sex-ratio distributions in birds
Creator: Ewen, John G.; Cassey, Phillip; King, Robert A. R.
Relation: The Auk Vol. 120, Issue 1, p. 62-68
Relation: http://www.ucpressjournals.com/journal.asp?j=auk
Publisher: American Ornithologists' Union
Resource Type: journal article
Date: 2003
Description: We assessed a randomization test frequently used in studies that aim to detect bias in primary sex ratio of avian species. Three different treatments were examined that represent simple but ecologically realistic cases of interest to researchers. The randomization test was successful in reducing Type I error when testing for a significant departure from a single binomial distribution. When brood sizes or sample sizes were low, however, the randomization test lacked power to detect departures from a population of broods with multiple binomial distributions of sons and daughters. We recommend analytical techniques available to researchers that do not require a common distribution of the sexes to broods for an entire population.
Subject: binomial distribution; birds; animal populations
Identifier: http://hdl.handle.net/1959.13/27607
Identifier: uon:1833
Identifier: ISSN:0004-8038
Language: eng
Reviewed

		Thumbnail	File	Description	Size	Format