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Erschienen in:
2015 | OriginalPaper | Buchkapitel
Do We Need Goal Line Technology in Soccer or Could Video Proof Be a More Suitable Choice: A Cost-Benefit-Analysis of Goal Line Technology in Soccer and Thoughts About an Introduction of Video Proof
verfasst von : Otto Kolbinger, Daniel Linke, Daniel Link, Martin Lames
Erschienen in: Sports Science Research and Technology Support
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Abstract
The aim of this study was to investigate the necessity of goal line technology for top level soccer and compare it to video proof. 1167 games of the 1st and 2nd German Bundesliga were screened for critical goal line decisions as well as other critical goal decisions including penalty calls. 16.8 critical goal line decisions were found per season, of which 76.6 % could directly be resolved by tv-review. On average, 5.0 and 2.8 cases were found respectively in the 1st and 2nd Bundesliga that could justify goal line technology. Furthermore, just 5.0 % of all critical calls concerned goal-line decisions, while 84.3 % involve offside, representing the main reason for critical goal calls. Based on these findings, in terms of a cost-benefit-relation, a video proof could be more suitable than goal line technology. Consequently, we discuss the obstacles and preconditions for the introduction of a video proof in soccer.