No Evidence for the Relative Age Effect in Professional Womenʼs Sports

Goldschmied, Nadav

doi:10.2165/11586780-000000000-00000

Cited by 42 publications

(41 citation statements)

References 6 publications

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“…In this period of adolescence, due to maturational processes, chronologically older boys are generally taller and heavier, stronger and faster, and exhibit greater cognitive abilities and greater sports experience, resulting in temporary performance advantages over their peers chronologically within the same age category 4 . In female athletes, RAE is not so evident 20 and tends to disappear in adulthood 8,14 and there are situations in which inverse RAE is observed 25 . Our findings for females do not corroborate the available literature.…”

Section: Discussionmentioning

confidence: 99%

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Efeito da idade relativa no Campeonato Brasileiro de Basquete: Categoria sub-15

Oliveira

Ribeiro

Vianna

et al. 2017

Rev. Bras. Cineantropom. Desempenho Hum.

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-In sport, the relative age effect (RAE) refers to the advantages of participation and performance that athletes born in the first months of the selection year have in relation to those within the same age category. The aim of the present study was to investigate the RAE in athletes of the Brazilian Basketball Championship of the U-15 category in 2015, analyzing differences between sexes, geographic region, competitive level and performance of teams. The information of teams and the birth quarter (quartile) of 530 basketball players were obtained through the website of the Brazilian Basketball Confederation (www. cbb.com.br). The results showed greater representation of male athletes born in the first months of the year, the first and second divisions, of the Southeastern, Northern and Mid-Western regions and in female medalists. It was concluded that the RAE is present in Brazilian U-15 male basketball players, being higher in athletes of higher competitive level, particularly in the Southeastern, Northern and Mid-Western regions of Brazil. In addition, RAE proved to be associated with the winning of women's medals.Key words: Athletes; Basketball; Relative age. Basketball (www.cbb. com.br Resumo -No esporte, o efeito da idade relativa (EIR) refere-se a vantagens de participação e desempenho que os atletas nascidos nos primeiros meses do ano de seleção possuem em relação aos demais atletas dentro de uma mesma categoria etária. O objetivo do presente estudo foi investigar o EIR nos atletas do Campeonato Brasileiro de Basquetebol da categoria sub-15 em 2015, analisando diferenças entre os sexos, região geográfica, nível competitivo e desempenho das equipes. As informações das equipes e o trimestre de nascimento (quartil) de 530 basquetebolistas foram obtidas através do site da Confederação Brasileira de

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Section: Discussionmentioning

confidence: 99%

“…In international basketball, RAE was often observed 8,[10][11][12][13] , although such phenomenon is not always observed 14,15 . In the context of Brazilian basketball, the only study with adult athletes did not find RAE in basketball players participating in the 2012 London Olympic Games 16 .…”

Section: Introductionmentioning

confidence: 99%

Efeito da idade relativa no Campeonato Brasileiro de Basquete: Categoria sub-15

Oliveira

Ribeiro

Vianna

et al. 2017

Rev. Bras. Cineantropom. Desempenho Hum.

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“…Consoante a isso, pesquisas têm demonstrado que o EIR é identificado principalmente em esportes coletivos, nos quais o desempenho está associado a força, potência e tamanho corporal (3,14) . No que diz respeito ao basquetebol, diferentes resultados têm sido encontrados conforme o país e o sistema desportivo: entre os atletas da categoria adultas, encontrou-se o EIR na Espanha (7) e na Alemanha (16) , ao mesmo tempo em que não houve diferença da distribuição dos atletas no Japão (15) (ambos os sexos); Estados Unidos (4,10) e Israel (13) (sexo feminino).…”

Section: Introductionunclassified

Efeito da idade relativa nos jogadores do campeonato brasileiro de basquete da categoria sub-17

Oliveira¹,

Ribeiro²,

Werneck³

et al. 2017

RPCD

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Efeito da idade relativa nos jogadores do campeonato brasileiro de basquete da categoria sub-17 PALAVRAS CHAVE: Idade Cronológica. Efeito da idade relativa. Desempenho Desportivo. Basquetebol. RESUMO O objetivo do estudo foi verificar o efeito da idade relativa (EIR) nos jogadores do campeonato brasileiro de basquete sub-17, considerando o sexo e a classificação das equipes. Assim, foi identificado o trimestre de nascimento (quartis) de 540 basquetebolistas (270 de cada sexo). Para compara-los pela classificação obtida, os jogadores foram agrupados nas equipes: "Medalhistas", "Intermediárias" e "Últimas colocadas". Todas as informações pertinentes ao estudo foram obtidas através do site da Confederação Brasileira de Basketball. Para análise dos dados foi utilizado o teste Qui-Quadrado (χ 2 ). Dos resultados obtidos verificou--se uma predominância de atletas nascidos no 1º e 2º quartis (χ 2 =23,78; p<0,001), com maior EIR no sexo masculino (χ 2 =16,74; p<0,001) quando comparados ao feminino (χ 2 =8,45; p=0,038). Em relação a classificação final do campeonato o efeito foi encontrado nos jogadores "medalhistas" do sexo masculino (χ 2 =8,28; p=0,041) e feminino (χ 2 =9,43; p=0,024) e nos jogadores das equipes "intermediárias" do sexo masculino (χ 2 =13,08; p=0,004).

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“…Were this premise true, the month of publication would significantly affect the article's 2-YRC, that is, a relative age effect. Relative age is considered as the chronological age difference between individuals (in this particular case, articles rather than individuals) within annually age-grouped cohorts (19,26) and has been regarded as positively influential in many settings (3,30), especially in most athletic performances (2,17,21,26), but not for all (6,14,31). So, our purpose was to confirm the existence of a relative age effect in the 2-YRC, as assessed by calendar years, for original articles published in the Journal of Applied Physiology (JAPPL).…”

mentioning

confidence: 99%

Two-year citations of JAPPL original articles: evidence of a relative age effect

Araújo

Oliveira

Brito

et al. 2012

Journal of Applied Physiology

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Several indicators have been used to analyze scientific journals, with the impact factor and the number of citations in a 2-yr calendar time frame (2-YRC) being the most common factors. However, considering that the Journal of Applied Physiology (JAPPL) appears monthly and that calculations of these indicators are based on citations of papers published in previous years, we hypothesized that articles published at the beginning of the year would be cited more in the 2-YRC compared with those appearing in the last issues of the year, a phenomena known as a relative age effect. Our objective was to confirm the existence of a relative age effect in the 2-YRC for original articles published in JAPPL. From 2005 to 2008, a total of 1,726 original articles were published, according to the Web of Science, and 9,973 citations in 2-YRC, varying from 0 to 45, with a mean of 5.78 for individual papers. Although there were no differences in the number of original articles published in a given month (P = 0.99), the 2-YRC varied considerably throughout the year, being higher for those earlier issues of the year, as shown by the linear regression analysis (r(2) = 0.76; P < 0.001). The 2-YRC began at 6.62 during the first 3 mo of the year, dropping by 10% at each 3-mo period. In summary, the longer an article has been out there, the more citations it collects. The relative age effect is a potential confounding variable for the assessment and interpretation of 2-YRC (using calendar years) from JAPPL original articles.

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No Evidence for the Relative Age Effect in Professional Womenʼs Sports

Cited by 42 publications

References 6 publications

Efeito da idade relativa no Campeonato Brasileiro de Basquete: Categoria sub-15

Efeito da idade relativa no Campeonato Brasileiro de Basquete: Categoria sub-15

Efeito da idade relativa nos jogadores do campeonato brasileiro de basquete da categoria sub-17

Two-year citations of JAPPL original articles: evidence of a relative age effect

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