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Annual Age-Grouping and Athlete Development

This article represents the first meta-analytical review of RAEs, aimed to collectively determine the overall prevalence and strength of Raes across and within sports, and identify moderator variables.
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Influences of competition level, gender, player nationality, career stage and playing position on relative age effects

Three studies try to bridge the gap by investigating several moderators for relative age effects (RAEs) in one sport, Handball, by investigating the influence of competition level and gender on RAEs before adulthood and providing evidence toward explaining how Raes influence the development and maintenance of expertise.
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The prevalence, influential factors and mechanisms of relative age effects in UK Rugby League

Findings clearly demonstrate that RAEs exist throughout Rugby League with early selection, performance level and retention processes, appearing to be key contributing factors responsible for RAE persistence.
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How Pervasive Are Relative Age Effects in Secondary School Education

Relative age effects (RAEs; R. H. Barnsley, A. H. Thompson, & P. E. Barnsley, 1985) convey school attainment (dis)advantages depending on whether one is relatively older or younger within annually…
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Soccer Player Characteristics in English Lower-League Development Programmes: The Relationships between Relative Age, Maturation, Anthropometry and Physical Fitness

The data identify a strong RAE bias at the entry-point to English soccer developmental programmes, and talent selectors should consider motor function and maturation status assessments to avoid premature and unwarranted drop-out of soccer players within youth development programmes.
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Variations in relative age effects in individual sports: Skiing, figure skating and gymnastics

The significant effects across most ski sports coupled with the null effects in figure skating and atypical effect in gymnastics suggest that sport-specific contextual factors are important elements in understanding the mechanisms of RAEs, although further work is necessary to validate these findings.
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Relative Age Effects Across and Within Female Sport Contexts: A Systematic Review and Meta-Analysis

Modifications to sport policy, organisational and athlete development system structure, as well as practitioner intervention are recommended to prevent relative age effect-related participation and longer term attainment inequalities.
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Psychological consequences of childhood obesity: psychiatric comorbidity and prevention

Findings established childhood OW/OBy was negatively associated with psychological comorbidities, such as depression, poorer perceived lower scores on health-related quality of life, emotional and behavioral disorders, and self-esteem during childhood.
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Relative age effects

The process of annual age-grouping, applied most commonly in school and sport, has been shown to produce a developmental climate that provides advantages to some while disadvantaging others. This…
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Dietary Intake of Competitive Bodybuilders

A systematic review of dietary intake practices of competitive bodybuilders is conducted to evaluate the quality and currency of the existing literature, identify research gaps to inform future studies, and suggests that high-quality contemporary research is needed in this area.
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