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@article{2332357,
author = {Bozděch, Michal and Agricola, Adrián and Zháněl, Jiří},
article_location = {UNITED STATES},
article_number = {6},
doi = {http://dx.doi.org/10.1177/00315125231210585},
keywords = {annual grouping; football; adolescence; youth development in sport; age disparity impact; performance-driven athlete selection},
language = {eng},
issn = {0031-5125},
journal = {PERCEPTUAL AND MOTOR SKILLS},
title = {The Relative Age Effect at Different Age Periods in Soccer: A Meta-Analysis},
url = {https://journals.sagepub.com/doi/10.1177/00315125231210585},
volume = {130},
year = {2023}
}
TY - JOUR
ID - 2332357
AU - Bozděch, Michal - Agricola, Adrián - Zháněl, Jiří
PY - 2023
TI - The Relative Age Effect at Different Age Periods in Soccer: A Meta-Analysis
JF - PERCEPTUAL AND MOTOR SKILLS
VL - 130
IS - 6
SP - 2632-2662
EP - 2632-2662
PB - SAGE PUBLICATIONS INC
SN - 00315125
KW - annual grouping
KW - football
KW - adolescence
KW - youth development in sport
KW - age disparity impact
KW - performance-driven athlete selection
UR - https://journals.sagepub.com/doi/10.1177/00315125231210585
N2 - In the selection of young athletes, earlier-born adolescents often leverage their temporary biological advantage over their later-born peers from the same cohort, giving rise to the phenomenon known as the Relative Age Effect (RAE). In this study, we delved into the complexities of the RAE in soccer by reviewing 563 independent research samples across 90 articles. Our analysis showed that age period and performance level are pivotal factors influencing the magnitude of the RAE. The adolescent age period emerged as a significant RAE determinant, showcasing the highest effect size magnitudes in our findings. Among athletes of different performance levels, adult European soccer players have been extensively studied, and they have exhibited the most pronounced RAE magnitudes. Intriguingly, our findings reveal another compelling trend: the frequency of players born early versus late in the eligible birth year escalated as player performance levels increased, particularly during adolescence. Coaches and players appear to capitalize unconsciously on this maturational advantage, though this strategy wanes post-adolescence. While there are currently no penalties for this team selection practice, our findings stress the need for coaches to comprehend the ramifications of selecting athletes with an age bias We offer insights into RAE complexities, highlight the synergy of age and performance in these transitory advantages, and advance arguments for more fairly selecting and developing youth athletes.
ER -
BOZDĚCH, Michal, Adrián AGRICOLA and Jiří ZHÁNĚL. The Relative Age Effect at Different Age Periods in Soccer: A Meta-Analysis. \textit{PERCEPTUAL AND MOTOR SKILLS}. UNITED STATES: SAGE PUBLICATIONS INC, 2023, vol.~130, No~6, p.~2632-2662. ISSN~0031-5125. Available from: https://dx.doi.org/10.1177/00315125231210585.
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