Evidence for the relative age effect in the Spanish professional soccer league

[EN] The concept of the relative age effect refers to the consequences of the physical and psychological differences that may exist between those born earlier or later within the same calendar year. The objective of the present study was to examine this phenomenon in Spanish professional soccer, ide...

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Autores: Yagüe Cabezón, José María, Molinero González, Olga, Alba, José Ángel, Redondo Castán, Juan Carlos
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2020
País:España
Institución:Universidad Rey Juan Carlos
Repositorio:BULERIA. Repositorio Institucional de la Universidad de León
OAI Identifier:oai:buleria.unileon.es:10612/17578
Acceso en línea:https://hdl.handle.net/10612/17578
https://doi.org/10.2478/hukin-2019-0145
Access Level:acceso abierto
Palabra clave:Deporte
Educación Física
birth quarter
talent identification
potential
team sport games
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oai_identifier_str oai:buleria.unileon.es:10612/17578
network_acronym_str ES
network_name_str España
repository_id_str
spelling Evidence for the relative age effect in the Spanish professional soccer leagueEviencia del efecto de la edad relativa en la Liga Profesional de Fútbol EspañolaYagüe Cabezón, José MaríaMolinero González, OlgaAlba, José ÁngelRedondo Castán, Juan CarlosDeporteEducación Físicabirth quartertalent identificationpotentialteam sport games[EN] The concept of the relative age effect refers to the consequences of the physical and psychological differences that may exist between those born earlier or later within the same calendar year. The objective of the present study was to examine this phenomenon in Spanish professional soccer, identifying the influences of the competitive level and the club of origin. The sample comprised 2,130 individuals from five competitive categories: under 12 (U12; n = 480), under 14 (U14; n = 338), under 16 (U16; n = 390), under 19 years old (U19; n = 489) and professional players (n = 433), with nine teams from the Spanish professional soccer league (PSL). Statistical analysis was based on a chisquared test followed by calculation of the odds ratios and 95% confidence intervals. The main results show that at all levels of competition there was over-representation of individuals born in the first few months of the year. By clubs, the same over-representation was observed. It may be concluded that the relative age effect is consistent and exists throughout Spanish soccer, whether at youth or professional levels. An analysis by age categories showed a more pronounced effect in those competitions in which the youngest players participate, while in clubs the effect continued to be significantly present in all cases investigated in the study.[ES] : El concepto de efecto de la edad relativa se refiere a las consecuencias de las diferencias físicas y psicológicas que pueden existir entre los nacidos antes o después dentro de un mismo año natural. El objetivo del presente estudio fue examinar este fenómeno en el fútbol profesional español, identificando las influencias del nivel competitivo y del club de procedencia. La muestra estuvo compuesta por 2.130 individuos de cinco categorías competitivas: menores de 12 años (Sub12; n = 480), menores de 14 años (Sub14; n = 338), menores de 16 años (Sub16; n = 390), menores de 19 años (Sub19; n = 489) y jugadores profesionales (n = 433), con nueve equipos de la Liga Española de Fútbol Profesional (LFP). El análisis estadístico se basó en una prueba de chi-cuadrado seguida del cálculo de los odds ratios y los intervalos de confianza del 95%. Los principales resultados muestran que en todos los niveles de competencia hubo una sobrerrepresentación de individuos nacidos en los primeros meses del año. Por clubes se observó la misma sobrerrepresentación. Se puede concluir que el efecto de la edad relativa es consistente y existe en todo el fútbol español, ya sea a nivel juvenil o profesional. Un análisis por categorías de edad mostró un efecto más pronunciado en aquellas competiciones en las que participan los jugadores más jóvenes, mientras que en los clubes el efecto siguió estando significativamente presente en todos los casos investigados en el estudio.SIJournal of Human KineticsEducacion Fisica y DeportivaFacultad de Ciencias de la Actividad Fisica y del Deporte2020info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttps://hdl.handle.net/10612/17578https://doi.org/10.2478/hukin-2019-0145reponame:BULERIA. Repositorio Institucional de la Universidad de Leóninstname:Universidad Rey Juan CarlosInglésinfo:eu-repo/semantics/openAccessoai:buleria.unileon.es:10612/175782026-06-24T12:43:27Z
dc.title.none.fl_str_mv Evidence for the relative age effect in the Spanish professional soccer league
Eviencia del efecto de la edad relativa en la Liga Profesional de Fútbol Española
title Evidence for the relative age effect in the Spanish professional soccer league
spellingShingle Evidence for the relative age effect in the Spanish professional soccer league
Yagüe Cabezón, José María
Deporte
Educación Física
birth quarter
talent identification
potential
team sport games
title_short Evidence for the relative age effect in the Spanish professional soccer league
title_full Evidence for the relative age effect in the Spanish professional soccer league
title_fullStr Evidence for the relative age effect in the Spanish professional soccer league
title_full_unstemmed Evidence for the relative age effect in the Spanish professional soccer league
title_sort Evidence for the relative age effect in the Spanish professional soccer league
dc.creator.none.fl_str_mv Yagüe Cabezón, José María
Molinero González, Olga
Alba, José Ángel
Redondo Castán, Juan Carlos
author Yagüe Cabezón, José María
author_facet Yagüe Cabezón, José María
Molinero González, Olga
Alba, José Ángel
Redondo Castán, Juan Carlos
author_role author
author2 Molinero González, Olga
Alba, José Ángel
Redondo Castán, Juan Carlos
author2_role author
author
author
dc.contributor.none.fl_str_mv Educacion Fisica y Deportiva
Facultad de Ciencias de la Actividad Fisica y del Deporte
dc.subject.none.fl_str_mv Deporte
Educación Física
birth quarter
talent identification
potential
team sport games
topic Deporte
Educación Física
birth quarter
talent identification
potential
team sport games
description [EN] The concept of the relative age effect refers to the consequences of the physical and psychological differences that may exist between those born earlier or later within the same calendar year. The objective of the present study was to examine this phenomenon in Spanish professional soccer, identifying the influences of the competitive level and the club of origin. The sample comprised 2,130 individuals from five competitive categories: under 12 (U12; n = 480), under 14 (U14; n = 338), under 16 (U16; n = 390), under 19 years old (U19; n = 489) and professional players (n = 433), with nine teams from the Spanish professional soccer league (PSL). Statistical analysis was based on a chisquared test followed by calculation of the odds ratios and 95% confidence intervals. The main results show that at all levels of competition there was over-representation of individuals born in the first few months of the year. By clubs, the same over-representation was observed. It may be concluded that the relative age effect is consistent and exists throughout Spanish soccer, whether at youth or professional levels. An analysis by age categories showed a more pronounced effect in those competitions in which the youngest players participate, while in clubs the effect continued to be significantly present in all cases investigated in the study.
publishDate 2020
dc.date.none.fl_str_mv 2020
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv https://hdl.handle.net/10612/17578
https://doi.org/10.2478/hukin-2019-0145
url https://hdl.handle.net/10612/17578
https://doi.org/10.2478/hukin-2019-0145
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.publisher.none.fl_str_mv Journal of Human Kinetics
publisher.none.fl_str_mv Journal of Human Kinetics
dc.source.none.fl_str_mv reponame:BULERIA. Repositorio Institucional de la Universidad de León
instname:Universidad Rey Juan Carlos
instname_str Universidad Rey Juan Carlos
reponame_str BULERIA. Repositorio Institucional de la Universidad de León
collection BULERIA. Repositorio Institucional de la Universidad de León
repository.name.fl_str_mv
repository.mail.fl_str_mv
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score 15.300719

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