TL;DR
This study examines reaction time variations and the justification for the 0.1-second disqualification threshold in track events, revealing systematic timing differences and physiological plausibility of very low RTs, advocating for standardization and threshold re-evaluation.
Contribution
The paper provides empirical evidence of timing system variations and questions the fairness of the 0.1-second threshold, suggesting reforms for more equitable competition.
Findings
Significant timing differences across competitions.
RTs below 0.1 seconds are physiologically plausible.
Systematic variations in timing systems were identified.
Abstract
Devon Allen's disqualification at the men's 110-meter hurdle final at the 2022 World Track and Field Championships, due to a reaction time (RT) of 0.099 seconds-just 0.001 seconds below the allowable threshold-sparked widespread debate over the fairness and validity of RT rules. This study investigates two key issues: variations in timing systems and the justification for the 0.1-second disqualification threshold. We pooled RT data from men's 110-meter hurdles and 100-meter dash, as well as women's 100-meter hurdles and 100-meter dash, spanning national and international competitions. Using a rank-sum test for clustered data, we compared RTs across multiple competitions, while a generalized Gamma model with random effects for venue and heat was applied to evaluate the threshold. Our analyses reveal significant differences in RTs between the 2022 World Championships and other…
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