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Related Concept Videos

Distance Corrections01:15

Distance Corrections

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To achieve precise distance measurements, especially in surveying and construction, certain corrections must be applied to account for potential sources of error like the standardization errors, temperature variations, and slope adjustments.Standardization error emerges when measurement equipment undergoes changes, such as wear, repairs, or weather impacts. To address this, surveyors compare the equipment’s readings to a standard. This process identifies any deviation that might lead to...
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Corrective procedures remove relative age effect from world-class junior sprinters.

Paolo Riccardo Brustio1,2, Gennaro Boccia2,3

  • 1Department of Neuroscience, Biomedicine and Movement, University of Verona, Verona, Italy.

Journal of Sports Sciences
|July 2, 2021
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Summary

Corrective adjustment procedures can eliminate the relative age effect (RAE) in junior sprinters. This method improves performance evaluation and talent identification in international track and field.

Keywords:
RAEathlete developmentre-balancing RAEtalent identificationtrack and fieldyouth competition

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Area of Science:

  • Sports Science
  • Athletics Performance Analysis

Background:

  • The relative age effect (RAE) is a documented bias in sports, where athletes born earlier in the selection year have a performance advantage.
  • Understanding and mitigating RAE is crucial for fair talent identification and development in elite junior athletics.

Purpose of the Study:

  • To investigate if corrective adjustment procedures can eliminate the relative age effect (RAE) in world-class junior sprinters.
  • To assess the impact of these adjustments on performance evaluation and talent identification.

Main Methods:

  • Retrospective analysis of 2,918 male and 3,029 female sprinters (100m, 200m, 400m) from 2000-2018.
  • Calculation of longitudinal quadratic trendlines based on exact age and performance (ages 16-25).
  • Application of corrective adjustment calculations at ages 16 and 17 to assess RAE in uncorrected and corrected data.

Main Results:

  • Moderate to large RAE was observed in top-ranked sprinters (Top50, Top100) at age 16.
  • A lower RAE was noted at age 17 in the uncorrected data.
  • Corrective adjustments eliminated RAE at age 16 for both genders and all sprint events, and led to a more equal distribution at age 17.

Conclusions:

  • Corrective adjustment procedures are effective in removing or significantly reducing the relative age effect in world-class junior sprinters.
  • Implementing age-based performance adjustments can enhance the accuracy of talent identification and evaluation in international sprint competitions.