Optimal trait scoring for age estimation
Bibliographic Data
| ID | 8314518 |
|---|---|
| Authors | L W Konigsberg (0000-0003-4052-1575, Department of Anthropology University of Illinois at Urbana‐Champaign Urbana IL 61801, corresponding author), Susan R Frankenberg (0000-0001-8888-4450, Department of Anthropology University of Illinois at Urbana‐Champaign Urbana IL 61801), Helen M Liversidge (0000-0002-7056-9337, Centre for Oral Growth and Development Institute of Dentistry, Barts and the London School of Medicine and Dentistry, Queen Mary University of London E1 2AD London UK) |
| Year | 2016 |
| Volume | 159 |
| Issue | 4 |
| Pages | 557-576 |
| Publication date | 2016-04-01 |
| Peer Reviewed | Yes |
| Open Access | Yes |
| Type | ARTICLE |
| Venue | American Journal of Physical Anthropology (JOURNAL) |
| Journal identifiers | ISSN: 0002-9483 • E-ISSN: 1096-8644 |
| Publisher | Wiley (PUBLISHER • GB) |
| DOI | 10.1002/ajpa.22914 |
| PMID | 26661277 |
| OpenAlex | W2192101323 |
| Language | EN |
| Citations received | 8 |
| References cited | 117 |
OBJECTIVES: Little attention has been paid to questions about the applicability of parametric models to age estimation data and the related problem of how to adjust trait scoring in light of potential deviations from particular parametric models. This article addresses this deficit. METHODS: A Lagrange multiplier goodness-of-fit test is applied to two datasets to address the question of whether or not attainment ages for stages are log-normally distributed. The first dataset used in this article consists of scores of the Todd ten-phase system for the pubic symphysis obtained from 938 individuals with known ages. The second dataset consists of scores for 15 stages of formation for the second mandibular molar scored in 2,304 individuals of known age. RESULTS: For the Todd ten-phase system there is a significant departure from log-normally distributed ages of attainment. To obtain an acceptable goodness-of-fit statistic, Todd scores consequently are collapsed into an eight-phase system that maintains scores I through VII as individual scores but combines phases VIII through X into one phase. The 15-stage scoring system for the second mandibular molar has an acceptable fit to the log-normal distribution for ages of attainment. CONCLUSIONS: The results from the analysis of the Todd pubic symphysis scores show that researchers should use goodness-of-fit tests for parametric models before deciding to collapse scores. Further, such goodness-of-fit tests are an essential tool in answering questions concerning the suitability of various parametric models. For the 15-stage scoring of the second mandibular molar, the log-normal model is appropriate for attainment ages
Econometrics · Economics · Estimation · Sociology · Statistics · Trait · Computer Science · Demography · Dental Radiography and Imaging · Forensic Anthropology and Bioarchaeology Studies · Mathematics · Orthodontics and Dentofacial Orthopedics · Psychology
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Weighted kappa
| Unique citing works | 8 |
|---|---|
| Citations per year | 0,89 |
| Citation span | 2017 - 2026 (10) |
| Citation velocity | current |
| Highly cited | No |
| Citation types | Neutral: 4 |