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Trait Dichotomisation

Definition

A research recoding that converts ordered trait scores into present/absent categories using a stated trait-specific breakpoint. It reduces information and should be distinguished from the original scoring scale.

Related terms

ASUDAS
Arizona State University Dental Anthropology System: definitions and reference expressions for recording dental crown and root morphology. Scales and breakpoints vary by...
Carabelli Trait
A feature on the lingual surface of the protocone, the mesiolingual cusp of an upper molar. ASUDAS expressions range from 0 to7:...
Dental Morphological Trait
A discrete or quasi-continuous feature of tooth shape whose presence and expression grade are largely heritable. Examples include incisor shovelling, Carabelli trait,...
Population Affinity
The preferred modern forensic-anthropological term for the relationship between an unidentified individual's skeletal morphology and a modern reference population. Replaces the older...
Sinodont vs Sundadont
Historical multitraits patterns described by Turner for Asian and Pacific dental variation. They concern sample-level frequency combinations, not discrete biological races or...

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