scholarly journals Moderating factors influence the relative age effect in Australian cricket

PeerJ ◽  
2019 ◽  
Vol 7 ◽  
pp. e6867 ◽  
Author(s):  
Jonathan D. Connor ◽  
Ian Renshaw ◽  
Kenji Doma
Keyword(s):  
Age Distribution ◽  
State Level ◽  
Age Effect ◽  
Male And Female ◽  
Relative Age ◽  
Relative Age Effect ◽  
Left Handed ◽  
Moderating Factors ◽  
Significant Difference ◽  
The Impact

Background The relative age effect is a commonly occurring phenomenon whereby there is a tendency for relatively older players to be over-represented during high level competitions. This effect is often seen to diminish as player’s age, however, there has been far less investigation on other potential moderating factors. Method This study investigated the impact of the relative age effect, and potential moderating factors, within the talent selection process of Australian cricket. Relative age distribution of 2,415 male and female junior and senior state level cricket players, who played in the Junior National Championships or State competition (senior level) between 2011 and 2015, were analysed. Results Players born in the first quartile of the cricket season were significantly over-represented in both male Under-15, Under-17, Under-19 and female Under-15 and Under-18 levels. However, there was no significant difference at the senior state level for either male or female cricketers. Further investigation of the relative age effect in the junior talent pathway revealed that male all-rounders, batters and pace bowlers, and female all-rounders and batters, born in first quartile were over-represented. Right-handed batters and bowlers were also influenced by the relative age effect at all Junior National levels, while left-handed batters and bowlers were only influenced at the Under-15 and Under-17 levels. These results highlight the impact relative age has on junior cricket talent pathways, including sex, age, handedness and primary skills. Only state level, and left-handedness at the Under-19 level, were unaffected by relative age. Discussion The findings of this study highlight the influence of relative age effects for both male and female junior cricket players. Interestingly, there may be an advantage to being left-handed that is more prevalent at the older (male Under-19; female Under-18) age levels.

scholarly journals The Relative Age Effect in Czech U14 Male and Female Tennis Players in 2007–2016

2021 ◽  
Vol 15 (2) ◽  
pp. 50-60
Author(s):  
Roman Koloničný
Keyword(s):  
Goodness Of Fit ◽  
Age Effect ◽  
Goodness Of Fit Test ◽  
Chi Square ◽  
Male And Female ◽  
Tennis Players ◽  
Relative Age ◽  
Relative Age Effect ◽  
Junior Tennis ◽  
The Impact

The issue of the Relative Age Effect (RAE) has been long researched, discussed and published both in the academic and coaching community and the number of studies on it in various sports has significantly grown in recent years. The aim of this study was to verify the existence of RAE among Czech male (n = 6552) and female (n = 4131) junior tennis players and to identify possible differences in birthdate effect between male and female players. The research was carried out in players registered in the years 2007–2016 in the U14 age category in Czech Tennis Association (CTA) database; the athletes were divided into three subgroups (‘Ranked’, ‘Top 100’, ‘Top 10’). Research data were analysed by the methods of descriptive and inferential statistics: relative and absolute frequency, chi-square goodness of fit test () and chi-square test of independence () with the use of effect size (ES index w). A declining tendency of frequencies from Q1 to Q4 between male and female junior players was proven in all three subgroups.In the whole period of 2007–2016, a significant and strong RAE was demonstrated only in the ‘Top 10’ male subgroup (RAE was significant and ES was small or trivial in the other two subgroups). Among the female players, RAE was significant in all three subgroups (ES was small or trivial). Gender differences in RAE in favour of male players were significant in ‘Top 100’ and ‘Ranked’ (ES was small or trivial in all three subgroups). In the short and long term, RAE can have significant implications for the sport development of athletes; both coaches and the professional public can therefore be recommended to pay attention to this issue. The impact of RAE in sport, i.e. the uneven distribution of athletes’ birthdates, is more pronounced especially among junior athletes and often significantly affects their sports development and career.

Relative age effect and performance in elite male and female water polo players

2019 ◽  
Vol 34 (3) ◽  
pp. 175-177
Author(s):  
J. Barrenetxea-Garcia ◽  
J. Torres-Unda ◽  
I. Esain ◽  
A. Rodriguez-Larrad ◽  
S.M. Gil
Keyword(s):  
Age Effect ◽  
Male And Female ◽  
Relative Age ◽  
Water Polo ◽  
Relative Age Effect ◽  
And Performance

scholarly journals Identifying talented track and field athletes: The impact of relative age effect on selection to the Spanish National Athletics Federation training camps

2016 ◽  
Vol 35 (22) ◽  
pp. 2172-2178 ◽  
Author(s):  
Javier Brazo-Sayavera ◽  
María Asunción Martínez-Valencia ◽  
Lisa Müller ◽  
Georgios Andronikos ◽  
Russell J. J. Martindale
Keyword(s):  
Age Effect ◽  
Track And Field ◽  
Relative Age ◽  
Relative Age Effect ◽  
The Impact

Relative Age Effect: Beyond the Youth Phenomenon

2013 ◽  
Vol 3 (1) ◽  
pp. 74-79 ◽  
Author(s):  
William E Garrett ◽  
Patrick W Joyner ◽  
William J Mallon ◽  
Donald T Kirkendall
Keyword(s):  
Team Sports ◽  
Age Effect ◽  
Ice Hockey ◽  
Relative Age ◽  
Olympic Athletes ◽  
Relative Age Effect ◽  
Significant Difference ◽  
General Existence ◽  
Global Classification ◽  
Individual Sports

ABSTRACT The relative age effect (RAE) refers to the oversampling of youth born in the first quarter of the birth year when auditioning for selected age-restricted sports. This advantage conferred to the older athlete is the result of the older athlete being more physically and emotionally mature and, therefore, assumed to be a more advanced player. Chosen players will be exposed to better coaching, competition, teammates, and facilities in their respective sport. This RAE was first described in 1988 for ice hockey, and has since been described in numerous other sports, with a vast majority of the literature demonstrating an RAE in small cohorts, as well as in team sports and sports that incorporate a ball (i.e. soccer, basketball, hockey, etc). We extended the exploration of an RAE beyond specific sports by examining the birth quarter of over 44,000 Olympic athletes birth dates, born between 1964 and 1996. Our hypothesis is that not only did an RAE exist in Olympic athletes, but that it existed across selected categories of athletes (by gender), such as team vs individual sports, winter vs summer athletes, and sports using a ball vs those not using a ball. The fractions of births in the first vs the fourth quarter of the year were significantly different (p < 0.001) from each other for the summer and winter Olympians, ball and nonball sports, and team as well as individual sports. This significant difference was not gender specific. We found the general existence of an RAE in Olympic athletes regardless of global classification. Joyner PW, Mallon WJ, Kirkendall DT, Garrett WE Jr. Relative Age Effect: Beyond the Youth Phenomenon. The Duke Orthop J 2013;3(1):74-79.

scholarly journals Prevalence and Impact of the Relative Age Effect on Competition Performance in Swimming: A Systematic Review

2021 ◽  
Vol 18 (20) ◽  
pp. 10561
Author(s):  
Jorge Lorenzo-Calvo ◽  
Alfonso de la Rubia ◽  
Daniel Mon-López ◽  
Monica Hontoria-Galán ◽  
Moises Marquina ◽  
...  
Keyword(s):  
Systematic Review ◽  
Age Effect ◽  
Average Score ◽  
Competitive Swimming ◽  
Relative Age ◽  
Relative Age Effect ◽  
And Gender ◽  
The Impact ◽  
Effective Design

This systematic review aimed to examine the prevalence of the relative age effect (RAE) in swimming and its impact on competition performance according to different types of interacting constraints. A systematic literature search, following the PRISMA guidelines for preparing systematic reviews, was performed through four electronic databases, and nine studies met the inclusion criteria. The quality of the selected studies was evaluated using STROBE, and an average score of 16.2 points was obtained. In these studies, the prevalence of the RAE in swimming was observed in more than half (58.65%) of the participants analysed, and the effect of the RAE was more accentuated in young categories (decreased as age increased and was inverted in older ones) and in male swimmers (double that in female swimmers).The impact of the RAE on competitive performance appeared to be related to the strength demands of the event, as the performance in simultaneous strokes, in shorter events, and of swimmers in the postadolescence period seems to be more affected by the RAE. These results indicate that the RAE in competitive swimming relies on individual and environmental (the swimmer’s age group and gender) but also task (the competitive events) determinants or limitations. This should serve as a guide for a more effective design of selection and development procedures for young athletes.

scholarly journals RELATIVE AGE EFFECT AMONG YOUNG CROATIAN TAEKWONDO COMPETITORS

2021 ◽  
pp. 86-89
Author(s):  
Matej Babić ◽  
Dražen Čular ◽  
Igor Jelaska
Keyword(s):  
Age Effect ◽  
Chi Square ◽  
Weight Category ◽  
Relative Age ◽  
Relative Age Effect ◽  
Significant Difference ◽  
Chi Square Test ◽  
Age Range ◽  
Effect Of Age ◽  
Selection Of

Aim of this research was to identify and analyse relative age effect (RAE) on sample composed of young Croatian taekwondo competitors. In order with aim of research, for medal winners (n1=72) and other competitors (n2=187) who competed at Croatian taekwondo cadet championship 2015, date of birth, weight category and sport success were extracted. By conducting of Chi-square test on all competitors (n=259) it is proven there is non-significant difference (χ2=12.28; p=0.34) between expected and observed frequencies according to month of birth. Furthermore, significant difference between observed and expected frequencies according to year of birth of medal winners (χ2=45.31; p<0.01) is confirmed. Results of this research are pointing on presence of RAE which could lead to mistakes in selection of young athletes. Authors are suggesting to minimize allowed age range for competition, or to separate competitors in more age categories, which would enable more equal competitions and reduce effect of age on sport success.

scholarly journals Relative Age Effect in Swedish Male and Female Tennis Players Born in 1998–2001

Sports ◽  
2018 ◽  
Vol 6 (2) ◽  
pp. 38 ◽  
Author(s):  
Göran Gerdin ◽  
Marie Hedberg ◽  
Carl-Axel Hageskog
Keyword(s):  
Age Effect ◽  
Male And Female ◽  
Tennis Players ◽  
Relative Age ◽  
Relative Age Effect

scholarly journals The Impact of Relative Age Effect on Mathematics Achievement

2019 ◽  
Vol 12 (6) ◽  
pp. 39
Author(s):  
Ali Ünal
Keyword(s):  
Mathematics Achievement ◽  
Rural Areas ◽  
Age Effect ◽  
Mathematics Scores ◽  
Relative Age ◽  
Relative Age Effect ◽  
Service Training ◽  
Honors Classes ◽  
The Impact ◽  
Timss 2015

The timing of children’s start to school is the interest of researchers, policy-makers and especially parents. Researches on this issue have recently pointed to the concept of relative age effect (RAE). The purpose of this study is to determine the impact of RAE on mathematics achievement in Turkey. In order to accomplish this purpose, the question was sought: Does RAE have an impact on TIMSS 2015 the fourth and eighth grades mathematics scores of Turkey? The research was conducted in survey model. In the present study, the data obtained from the TIMSS 2015 results of Turkey was used. Totally 6456 students were sampled for TIMSS 2015 the fourth grade in 242 schools. Also, totally 6079 students (2943 girls and 3136 boys) were sampled for TIMSS 2015 the eighth grade in 218 schools. Hierarchical multiple regression analysis was used to analyze the data. In conclusion, it has been reached that RAE has an impact on TIMSS 2015 the fourth and eighth grades mathematics scores of Turkey and the youngest children born just before the cut-off date has the worst performance. The recommendations based on the results have been submitted as making the enrollment dates more flexible, especially for children in rural areas, not applying honors classes in schools, raising awareness about RAE in pre-service and in-service training programs for teachers, no pressure on children at home and at school for their lagging in competition.

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