Evidence for the reversal of the relative age effect in European professional basketball

dc.authorid0000-0001-7604-3507
dc.authorid0000-0003-2854-3093
dc.contributor.authorAkinci, Yasin
dc.contributor.authorYapar, Ahmet
dc.date.accessioned2026-02-03T12:02:22Z
dc.date.available2026-02-03T12:02:22Z
dc.date.issued2025
dc.departmentÇanakkale Onsekiz Mart Üniversitesi
dc.description.abstractThe Relative Age Effect (RAE) refers to how the selection process based on birthdates can influence athletic success and development. This study investigates the RAE in European professional basketball, focusing on its effects on roster composition, player performance, and team efficiency. Data from 2,571 male players across the top 10 European leagues in the 2022/23 season were analysed. The analysis utilised chi-square tests to evaluate birth quartile distribution, ANOVA for assessing playing time and efficiency scores, and correlation analyses to explore the relationship between birth quartile distribution and team success in league level. The findings confirm the existence of RAE, revealing an over-representation of players born in the first quarter of the year. However, contrary to expectations, players born in the last quarter received more playing time and had higher efficiency scores, particularly in the Turkish and Italian leagues. Additionally, a weak negative correlation was found between team success and RAE, suggesting that teams with a higher proportion of first quarter-born players performed worse. The study highlights the limitations of age-based selection and calls for alternative talent identification methods that could be beneficial for long-term career outcomes in professional basketball.
dc.identifier.doi10.1080/24748668.2025.2532271
dc.identifier.issn2474-8668
dc.identifier.issn1474-8185
dc.identifier.scopus2-s2.0-105010504905
dc.identifier.scopusqualityQ2
dc.identifier.urihttps://doi.org/10.1080/24748668.2025.2532271
dc.identifier.urihttps://hdl.handle.net/20.500.12428/34720
dc.identifier.wosWOS:001526524700001
dc.identifier.wosqualityQ3
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherRoutledge Journals, Taylor & Francis Ltd
dc.relation.ispartofInternational Journal of Performance Analysis in Sport
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WOS_20260130
dc.subjectCoaching
dc.subjectcompetition
dc.subjectdata
dc.subjectperformance
dc.subjectskill
dc.titleEvidence for the reversal of the relative age effect in European professional basketball
dc.typeArticle

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