Design and Implementation of a Computerised Notation System to Establish the Difference Between Levels of Rugby League
University of Wales
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The aim of the study was to establish if there was a difference between different levels of Rugby League, by implementing a specifically designed computerised notation system that collected data on action variables to generate performance indicators. The analysis was conducted using 10 pre-recorded Celtic Crusaders Rugby League matches; five of the matches were from National League One (NL1) and five matches from the Super League (SL) using a SportsCode Elite (version 7.5.6) system. Initial intra-observer reliability tests established Kappa values of 0.94 and 0.95 for the agreement of where on the field tackle n had begun and time agreed between the two observations. The percentage error indicated an acceptable error of 3.5%. Mann-Whitney U and Kruskal Wallis test’s were conducted on the performance indicators to determine any significant differences, while an independent T-test and a One Way ANNOVA were used to test the significant difference in the time in possession of the football. The results of the tests indicated no significant differences in the chosen performance indicators (p > 0.05). There were no clear differences in the percentages of time in possession (50% each at both SL and NL1), number of sets or number of tackles. An analysis of the data collected on action variables such number of tries scored, number of kicks and number of errors also showed no significant difference between the two standards (p > 0.05). It was therefore concluded that the difference in standards rests on the individual’s abilities, skills and physical attributes along with the coaches’ ability to devise successful game plans based on the opposition.
BA Enterprise Project
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