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Observer Variability in Measuring Animal Biometrics andFluctuating Asymmetry when using Digital Analysis ofPhotographsAuthor(s): Anne E. Goodenough, Angela L. Smith, Hannah Stubbs, RachelWilliams & Adam G. HartSource: Annales Zoologici Fennici, 49(1–2):81-92. 2012.Published By: Finnish Zoological and Botanical Publishing BoardDOI: http://dx.doi.org/10.5735/086.049.0108URL: http://www.bioone.org/doi/full/10.5735/086.049.0108

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Totalbody

length

Maximumwingspan

Costalmargin leftforewing

Costalmargin right

forewing

Apexangle leftforewing

Apexangle rightforewing

Asymmetryof costalmargins

Asymmetryof apexangles

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ffici

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f var

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Intra-observerInter-observer

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Observer 4

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n (m

m) Mean (observers

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Mean (observers1, 2, 3 and 5)