Analysing soccer using perturbation attempts

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Title: Analysing soccer using perturbation attempts
Authors: James, Nic | Rees, Gethin D. | Griffin, Elliot | Barter, Phil | Taylor, Joe | Heath, Luke | Vučković, Goran
Keywords: Dynamical systems | Perturbation attempts | Soccer
Knowledge Area: Educación Física y Deportiva
Issue Date: Jun-2012
Publisher: Universidad de Alicante. Área de Educación Física y Deporte
Citation: JAMES, Nic, et al. “Analysing soccer using perturbation attempts”. Journal of Human Sport and Exercise [en línea]. Vol. 7, No. 2 (2012). ISSN 1988-5202, pp. 413-420. http://www.jhse.ua.es/jhse/article/view/362 [consulta: 29 junio 2012]
Abstract: Dynamical systems theory describes how behaviours can deviate through a series of states (stable or unstable) before returning to an original stable state. It has been suggested that squash performance exhibits properties akin to a dynamical system and demonstrated that squash experts were able to reliably discriminate weak or strong shots that gave one player a distinct advantage over their opponent. They argued that experts were essentially identifying “perturbations” which they defined as incidents that change a system state from a stable to an unstable situation or vice versa. Similarly, in this paper we examine ball possession in soccer and consider those where neither team has a distinct advantage as being a stable situation and perturbation attempts as those where an effort is made to gain a distinct advantage. This study assessed the relative frequency and success rate of perturbation attempts in relation to the match status (match score at the time of the incident). A hand notation system was designed to record the variables of interest (players involved, pitch locations, behaviours performed and behaviour outcomes). Eight domestic league matches from the 2007/2008 season involving a Coca-Cola League One team were analysed. Results indicated that the home team made significantly less perturbation attempts (11.78% of total possessions) compared to the away teams (17.54%) but that generally perturbation attempts were more likely to be unsuccessful than successful (Z = 2.37, p < 0.05). Future studies need to assess if the frequency of perturbation attempts and perturbation success rates are related to playing standard.
URI: http://hdl.handle.net/10045/23162
ISSN: 1988-5202
DOI: 10.4100/jhse.2012.72.07
Language: eng
Type: info:eu-repo/semantics/article
Rights: Licencia Creative Commons Reconocimiento-NoComercial-SinObraDerivada 3.0
Peer Review: si
Publisher version: http://dx.doi.org/10.4100/jhse.2012.72.07
Appears in Collections:Revistas - Journal of Human Sport and Exercise - 2012, Vol. 7, No. 2. Special Issue Performance Analysis

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