Objectivity of match analysis in football: Testing the level of agreement between coaches’ interpretations of video data

IF 1.5 4区 教育学 Q3 HOSPITALITY, LEISURE, SPORT & TOURISM
Philip Furley, Saumya Mehta, Dominik Raabe, Daniel Memmert
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Abstract

Using video data is a widespread procedure in the preparation for an upcoming opponent across all levels of football, but the way coaches interpret this data and use it for player feedback is still not fully understood. Three studies were conducted to investigate the level of agreement between football coaches on tactical questions regarding the opponent when interpreting the same video data. In Study 1 (scouting feed; N = 15) and 2 (tactic view feed; N = 24), different video viewing angles of the same match were provided to coaches, followed by simple questions regarding the viewed team (e.g., team formation, most striking player in the opening play of the attacking team). Response analyses using descriptive statistics and Fleiss-Kappa statistics showed great diversity regardless of the angle of the feed. Study 3 was a replication study (scouting feed; N = 16) using the identical approach as before but used a different match to introduce greater variety of video stimuli. Across all studies there was a high degree of diversity in coach responses and little consensus on basic questions like the adopted formation or the most striking player in the opening play (Fleiss-Kappa coefficients between -.036 [poor agreement] and .236 [fair agreement]). The present research shows that it is problematic to treat information from video feeds as being objective when preparing for the next opponent, as different coaches derive different interpretations from the same data source. Implications for use of video data, and related contributions to coaching research are discussed.
足球比赛分析的客观性:测试教练员对视频数据解读的一致程度
在各级足球比赛中,使用视频数据是为即将到来的对手做准备的一个普遍程序,但教练如何解读这些数据并将其用于球员反馈仍未得到充分理解。我们进行了三项研究,以调查足球教练在解读相同视频数据时,就对手战术问题达成一致的程度。在研究 1(球探资料;N = 15)和研究 2(战术视图资料;N = 24)中,向教练提供了同一场比赛的不同视频观看角度,随后提出了有关所观看球队的简单问题(如球队阵型、进攻球队开场最引人注目的球员)。使用描述性统计和 Fleiss-Kappa 统计进行的反应分析表明,无论从哪个角度观看,结果都有很大差异。研究 3 是一项重复研究(球探馈送;N = 16),采用了与之前相同的方法,但使用了不同的比赛以引入更多的视频刺激。在所有研究中,教练的回答都存在很大的差异,而且在采用何种阵型或开场最引人注目的球员等基本问题上几乎没有共识(Fleiss-Kappa系数介于-.036[较差一致]和.236[一般一致]之间)。本研究表明,在备战下一个对手时,将视频资料视为客观信息是有问题的,因为不同的教练会从相同的数据源得出不同的解释。本研究讨论了使用视频数据的意义以及对教练研究的相关贡献。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
CiteScore
3.50
自引率
15.80%
发文量
208
期刊介绍: The International Journal of Sports Science & Coaching is a peer-reviewed, international, academic/professional journal, which aims to bridge the gap between coaching and sports science. The journal will integrate theory and practice in sports science, promote critical reflection of coaching practice, and evaluate commonly accepted beliefs about coaching effectiveness and performance enhancement. Open learning systems will be promoted in which: (a) sports science is made accessible to coaches, translating knowledge into working practice; and (b) the challenges faced by coaches are communicated to sports scientists. The vision of the journal is to support the development of a community in which: (i) sports scientists and coaches respect and learn from each other as they assist athletes to acquire skills by training safely and effectively, thereby enhancing their performance, maximizing their enjoyment of the sporting experience and facilitating character development; and (ii) scientific research is embraced in the quest to uncover, understand and develop the processes involved in sports coaching and elite performance.
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