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Scoring of nonmetric cranial traits: a methodological approach

GUALDI-RUSSO, E. ; TASCA, M. A. ; BRASILI, P.

American journal of anatomy, 1999-11, Vol.195 (4), p.543-550 [Periódico revisado por pares]

Edinburgh, UK: Cambridge University Press

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  • Título:
    Scoring of nonmetric cranial traits: a methodological approach
  • Autor: GUALDI-RUSSO, E. ; TASCA, M. A. ; BRASILI, P.
  • Assuntos: Cephalometry - methods ; discontinuous traits ; Genetic Variation ; Humans ; Osteology ; Reproducibility of Results ; skull ; Skull - anatomy & histology
  • É parte de: American journal of anatomy, 1999-11, Vol.195 (4), p.543-550
  • Notas: ObjectType-Article-1
    SourceType-Scholarly Journals-1
    ObjectType-Feature-2
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  • Descrição: The purpose of the present study was to analyse the replicability of the scoring of discontinuous traits. This was assessed on a sample of 100 skulls from the Frassetto collection (Dipartimento di Biologia Evoluzionistica Sperimentale of Bologna University) analysed through intraobserver comparisons: the discontinuous traits were determined on the same skulls and by the same observer on 3 separate occasions. The scoring was also assessed through interobserver comparisons: 3 different observers performed an independent survey on the same skulls. The results show that there were no significant differences in the discontinuous trait frequencies between the 3 different scorings by the same observer, but there were sometimes significant differences between different observers. Caution should thus be taken in applying the frequencies of these traits to population research. After an indispensable control of material conditions (subject age included), consideration must be given to standardisation procedures between observers, otherwise this may be an additional source of variability in cranial discontinuous trait scoring.
  • Editor: Edinburgh, UK: Cambridge University Press
  • Idioma: Inglês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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