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played in the Norwegian professional league in 2004 was analysed. ... 2004; O'Donoghue, 2007) makes adequate reliability vital for match performance analysis ...... Reilly, A. Lees, K. Davids & W. J. Murphy (Eds.), Science and Football, pp.
International Journal of Performance Analysis of Sport 2009, 9, 8-25.

Developing a New Method for Team Match Performance Analysis in Professional Soccer and Testing its Reliability A. Tenga, D. Kanstad, L. T. Ronglan and R. Bahr Norwegian School of Sport Sciences, P. O. Box 4014 Ullevaal Stadion, N-0806 Oslo.

Abstract The purpose of this study was to develop a new method for analysis of team match performance in soccer and test its reliability from videotapes. Team match performance analysis, which includes qualitative evaluation of different dimensions of match performance involved in the opponent interaction, was developed by using 22 multidimensional categorical variables. This is thought to provide a more valid assessment of team match performance, since it is considered to be a product of the confrontation between two teams. To test inter- and intra-observer reliability, a random sample of 200 team possessions from videos of 163 out of 182 (90%) matches played in the Norwegian professional league in 2004 was analysed. Kappa coefficients (κ) values of 0.81-1.0 were considered very good, 0.61-0.80 good, 0.41-0.60 moderate, 0.21-0.40 fair, and

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