The Relative Age Effect on Athletes of the Santa Catarina Basketball Federation

Maciel, Larissa Fernanda Porto; Folle, Alexandra; Flach, Mônica Cristina; Silva, Sara C.; Silva, Walan R. da; Beirith, Mariana K.; Collet, Carine

doi:10.26773/mjssm.220303

Cited by 3 publications

(3 citation statements)

References 21 publications

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“…This study's findings support the notion that geographical and regional factors may also influence RAE in basketball at the Youth Olympic Games level. Research by Maciel et al 23 revealed a similar RAE trend in the Santa Catarina State Basketball Championship, particularly affecting male players in the U13 category. The study 24 suggests that the training methodologies used in youth sports could further exacerbate RAE.…”

Section: Discussionmentioning

confidence: 67%

The prevalence of Constituent Year effect in Youth Olympic Games: implications for talent identification and development in basketball

Cular,

Miletic,

Babic

2024

Acta kinesiol.

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Purpose: The Relative Age Effect (RAE) and Constituent Year Effect (CYE) is increasingly recognized as a significant concern in youth sports, especially in basketball where physical traits such as height, arm span, and leg length are emphasized. This focus often eclipses the critical role of age-related variations in talent scouting processes. This study aims to explore the presence and impact of CYE in basketball, with a specific focus on the Youth Olympic Games (YOG). Methods: Utilizing statistical analysis, primarily the Chi-square test and Cramer's V, this research examines the occurrence of CYE among basketball players at the YOG. Results: The findings decisively confirm the existence of CYE in youth basketball (P= .000, χ2= 51.593, df= 2, Cramer's V= .403). Results of male (χ2 = 29.342, Cramer's V: .431) and female χ2 =23.43, Cramer's V: .383) also subsample suggest a significant skew in player selection based on birth year, with a large effect size in both cases. A notable discovery is the disproportionate number of athletes born in 2000, who are 19 times more common than those born in 2002, indicating a significant age-related skew in player selection. This indicates a strong association between birth year and player selection in the context of the YOG for both genders. Conclusions: CYE's prevalence in youth basketball could detrimentally impact athletes' development and teams' overall performance. The research emphasizes the need for a more equitable and balanced approach in athlete selection. The paper proposes practical steps to reduce CYE in basketball, such as narrowing age categories or establishing smaller, more precise age groups to ensure fairer competition and more accurate talent identification.

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Section: Discussionmentioning

confidence: 67%

The prevalence of Constituent Year effect in Youth Olympic Games: implications for talent identification and development in basketball

Cular,

Miletic,

Babic

2024

Acta kinesiol.

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“…Although this strategy aims at a fairer competitive environment, it ends up benefiting athletes who were born closer to the cut-off date (Leite, Arede, Shang, Calleja-González, & Lorenzo, 2021;Lidor, Maayan, & Arnon, 2021). This systematic overrepresentation of relatively older athletes in sports is known as the relative age effect (RAE) and has been reported especially among males in many competitive sports (Cobley, Baker, Wattie, & McKenna, 2009), both among youth (Castro, et al, 2023;Figueiredo, Seabra, Brito, Galvão, & Brito, 2021;Maciel, et al, 2022) and senior athletes (Castro, et al, 2022c;Figueiredo, et al, 2022;Lago-Fuentes, Rey, Padrón-Cabo, Prieto-Troncoso, & Garcia-Núñez, 2020).…”

Section: Introductionmentioning

confidence: 99%

No Relative Age Effect Among Brazilian Elite Female Futsal Athletes

Alves Rodrigues,

de Oliveira,

de Castro Ribeiro

et al. 2023

Kinesiology (Zagreb, Online)

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Our aim in this study was to analyze: (i) the presence of the relative age effect (RAE) on the Brazilian elite female futsal athletes according to their team’s final position in the National Championship, and (ii) the relationship between the presence of the RAE and the athletes’ tactical individual performance. Participants were 77 female Brazilian elite futsal athletes that competed in the 2021 National Championship. Data included their dates of birth aggrupation by quartiles (Q1-Q4), their team’s final position in the National Championship, and their tactical individual performance indicators (time played, goals scored, assists, steals, shots on goal, unbalanced passes, and challenges won in 1vs1). Analyses of the overall sample indicated that RAE was not prevalent in this context since the observed birthdate distribution was not different from the expected one (p=.796). When the final placement in the championship was considered, the birthdate distributions were also not different from the expected for both the top-ranked (p=.572) and low-ranked (p=.679) team athletes. Regarding athletes’ tactical individual performance, no differences were found between the athletes with early and late birthdates for any of the variables analysed (p>.05). Our results suggest that RAE has no impact on this specific sport context, which should be interpreted as a positive factor since female futsal athletes seem to have the same chance of achieving the elite level in Brazil, regardless of their birthdates.

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“…Even though RAE is a widespread phenomenon in different individual 20,21 and invasion team sports [22][23][24][25][26][27] , investigations in water sports focus on swimming [28][29][30] , being scarce in water polo [31][32][33] . In addition to that, the results from studies that investigated RAE in water polo are inconsistent.…”

Section: Introductionmentioning

confidence: 99%

Relative Age Effect in Brazilian water polo: analysis of male and female athletes from U16 to senior categories

Castro

Francisco

Oliveira

et al. 2022

Motriz: rev. educ. fis.

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To investigate the existence of relative age effect (RAE) in Brazilian water polo athletes according to sex and age category. Methods: The birthdate of 574 Brazilian water polo athletes were organized according to the athletes' birthdates into quarters of the year (Q1, Q2, Q3, and Q4), and classified according to sex (male and female) and age category (U16, U18, U20, and senior). To verify the existence of RAE, the Chi-Square tests (χ 2 ) were performed, and the effect sizes (ω) were calculated for each of the tests. We also calculated odds ratio (ORs) and 95% confidence intervals, setting the level of significance to 0.05. As post hoc analysis, multiple comparisons between quarters were performed, with Bonferroni's correction (significance level set to 0.0083 in these cases). Results: The results indicated an uneven distribution of birthdates for male water polo athletes (χ 2 = 12.257; p = 0.007; ω = 0.173), with an overrepresentation of athletes born in the first (p < 0.006) and second (p < 0.002) quarters. When sex and age category were considered, male athletes presented uneven distributions in U20 (χ 2 = 10.747; p = 0.013; ω = 0.345) and senior (χ 2 = 12.614; p = 0.006; ω = 0.383) categories. In females, no differences were found. Conclusion: We conclude that there is an uneven distribution of birthdates in male Brazilian water polo athletes, indicating the presence of RAE in this group.

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The Relative Age Effect on Athletes of the Santa Catarina Basketball Federation

Cited by 3 publications

References 21 publications

The prevalence of Constituent Year effect in Youth Olympic Games: implications for talent identification and development in basketball

The prevalence of Constituent Year effect in Youth Olympic Games: implications for talent identification and development in basketball

No Relative Age Effect Among Brazilian Elite Female Futsal Athletes

Relative Age Effect in Brazilian water polo: analysis of male and female athletes from U16 to senior categories

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