Relative age effects in international rugby union: Consequences of changing the cutoff date and exploring youth to senior transitions

IF 1.8 4区教育学 Q2 EDUCATION, SPECIAL

High Ability Studies Pub Date : 2021-11-14 DOI:10.1080/13598139.2021.1997722

A. Kelly, Daniel T. Jackson, Donald Barrell, Kate Burke, J. Baker

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引用次数: 2

Abstract

ABSTRACT Relative age effects (RAEs) are independent of specific cutoff dates that can vary from country to country. However, the consequences of changing the selection cutoff dates within a national sport organization are unknown. Further, the transition from international youth to senior representation is yet to be explored in rugby union. Thus, the aims of this article were twofold: Study 1 compared the birth quarter (BQ) distributions of the England Rugby Football Union (RFU) under-18 representatives based on September to August and January to December selection cutoff dates. Study 2 explored the BQ distributions within the RFU international development pathway through analyzing the under-18, under-20, and senior representatives, as well as the BQ distributions of youth players who were subsequently capped at senior level. Chi-square analysis was used to compare BQ distributions in each sample against expected distributions. Results revealed a corresponding shift of a skewed birthdate distribution favoring chronologically older players that was mediated by specific cutoff dates (p < 0.05). Moreover, whilst RAEs were present within both youth cohorts (p < 0.05), it was not apparent at the senior level (p > 0.05). Furthermore, during the transition from international youth to senior representation, more chronologically older players were successfully capped.

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国际橄榄球联盟的相对年龄影响:改变截止日期和探索青年到高级过渡的后果

相对年龄效应(RAEs)独立于特定截止日期，可能因国家而异。然而，在一个国家体育组织内改变选拔截止日期的后果是未知的。此外，在橄榄球联盟中，从国际青年代表到高级代表的过渡还有待探索。因此，本文的目的是双重的:研究1比较了英格兰橄榄球联盟(RFU) 18岁以下代表的出生季度(BQ)分布，基于9月至8月和1月至12月的选择截止日期。研究2通过分析u18、u20和成年球员的代表，以及随后进入成年球队的青年球员的BQ分布，探讨了RFU国际发展路径中的BQ分布。卡方分析用于比较每个样本的BQ分布与期望分布。结果显示，在特定截止日期的介导下，歪斜的出生日期分布发生了相应的变化，有利于年龄较大的球员(p < 0.05)。此外，尽管rae在两个青年组中都存在(p < 0.05)，但在高级组中并不明显(p < 0.05)。此外，在从国际青年队到成年队的过渡过程中，更多年龄较大的球员成功入选国家队。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

High Ability Studies Multiple-

CiteScore

4.80

自引率

11.10%

发文量

期刊介绍： High Ability Studies provides a forum for scholars in a variety of disciplines associated with the development of human abilities to their highest level. It is a medium for the promotion of high ability, whether through the communication of scientific research, theory, or the exchange of practical experience and ideas. The contents of this journal are unique in reflecting concerns and recent developments in this area from childhood and across the whole life span in a variety of contexts. Far from being restricted to the traditional focus on high-level cognitive development, it also presents investigations into all other areas of human endeavour, including sport, technology, the arts, business, management and social relations.