author_facet GUALDI‐RUSSO, E.
TASCA, M. A.
BRASILI, P.
GUALDI‐RUSSO, E.
TASCA, M. A.
BRASILI, P.
author GUALDI‐RUSSO, E.
TASCA, M. A.
BRASILI, P.
spellingShingle GUALDI‐RUSSO, E.
TASCA, M. A.
BRASILI, P.
Journal of Anatomy
Scoring of nonmetric cranial traits: a methodological approach
Cell Biology
Developmental Biology
Molecular Biology
Ecology, Evolution, Behavior and Systematics
Histology
Anatomy
author_sort gualdi‐russo, e.
spelling GUALDI‐RUSSO, E. TASCA, M. A. BRASILI, P. 0021-8782 1469-7580 Wiley Cell Biology Developmental Biology Molecular Biology Ecology, Evolution, Behavior and Systematics Histology Anatomy http://dx.doi.org/10.1046/j.1469-7580.1999.19540543.x <jats:p>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.</jats:p> Scoring of nonmetric cranial traits: a methodological approach Journal of Anatomy
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title Scoring of nonmetric cranial traits: a methodological approach
title_unstemmed Scoring of nonmetric cranial traits: a methodological approach
title_full Scoring of nonmetric cranial traits: a methodological approach
title_fullStr Scoring of nonmetric cranial traits: a methodological approach
title_full_unstemmed Scoring of nonmetric cranial traits: a methodological approach
title_short Scoring of nonmetric cranial traits: a methodological approach
title_sort scoring of nonmetric cranial traits: a methodological approach
topic Cell Biology
Developmental Biology
Molecular Biology
Ecology, Evolution, Behavior and Systematics
Histology
Anatomy
url http://dx.doi.org/10.1046/j.1469-7580.1999.19540543.x
publishDate 1999
physical 543-550
description <jats:p>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.</jats:p>
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author GUALDI‐RUSSO, E., TASCA, M. A., BRASILI, P.
author_facet GUALDI‐RUSSO, E., TASCA, M. A., BRASILI, P., GUALDI‐RUSSO, E., TASCA, M. A., BRASILI, P.
author_sort gualdi‐russo, e.
container_issue 4
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description <jats:p>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.</jats:p>
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spelling GUALDI‐RUSSO, E. TASCA, M. A. BRASILI, P. 0021-8782 1469-7580 Wiley Cell Biology Developmental Biology Molecular Biology Ecology, Evolution, Behavior and Systematics Histology Anatomy http://dx.doi.org/10.1046/j.1469-7580.1999.19540543.x <jats:p>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.</jats:p> Scoring of nonmetric cranial traits: a methodological approach Journal of Anatomy
spellingShingle GUALDI‐RUSSO, E., TASCA, M. A., BRASILI, P., Journal of Anatomy, Scoring of nonmetric cranial traits: a methodological approach, Cell Biology, Developmental Biology, Molecular Biology, Ecology, Evolution, Behavior and Systematics, Histology, Anatomy
title Scoring of nonmetric cranial traits: a methodological approach
title_full Scoring of nonmetric cranial traits: a methodological approach
title_fullStr Scoring of nonmetric cranial traits: a methodological approach
title_full_unstemmed Scoring of nonmetric cranial traits: a methodological approach
title_short Scoring of nonmetric cranial traits: a methodological approach
title_sort scoring of nonmetric cranial traits: a methodological approach
title_unstemmed Scoring of nonmetric cranial traits: a methodological approach
topic Cell Biology, Developmental Biology, Molecular Biology, Ecology, Evolution, Behavior and Systematics, Histology, Anatomy
url http://dx.doi.org/10.1046/j.1469-7580.1999.19540543.x