Implementing Z-Scores as a method of distinguishing between winning and losing university netball
Author
Keveren, Holly
Date
2014Type
Thesis
Publisher
Cardiff Metropolitan University
Metadata
Show full item recordAbstract
The aim of the current study was to create an effective method to analyse the Cardiff
Metropolitan University (CMU) netball team, in order for normative values to be
distinguished, interpreted, presented and explored. The sample was collected from
the Premier South and Western 2B season (n=8 fixtures). An intra-operator reliability
test was conducted and recognised that there were a good strength (>0.6 Kappa
values) of agreement within the system. The mean and standard deviation for each
performance indicator (PI) was established separately for both the winning and
losing team. This allowed for a z-score to be calculated for nine different PI’s;
attacking rebounds, defensive rebounds, feeds to goal, shots to goal, opponents
pressured goals, opponents pressured miss, forced errors, unforced errors and
opponents forced errors.
A Pearson’s correlation was performed to examine the relationship between the goal
difference and each of the PI’s. The statistical test revealed that two out of the nine
PI’s, attacking rebound and opponent pressure miss, provided a relationship with the
goal difference. Next, a two related variable Wilcoxon test was used to establish
which of the PI’s were significantly different between the winning and losing team.
The statistical test established that five out of the nine PI’s differed significantly,
specifically forced possession loss (p<0.01), unforced possession loss (p<0.01),
shots to goal (p<0.01), feeds to goal (p<0.03) and opponents forced errors (p<0.01).
The z-score results from each match were displayed in a graphical form to
emphasise the PI’s that contributed to successful or unsuccessful performance. The
coach and team used these graphs to implement training regimes to combat the
areas that require attention. The graphs identified the main strength of the CMU
team was their ability to force the opposition into errors. Nevertheless, to ensure the
success of CMU is continued throughout future games the precise execution of
attacking rebounds, defensive rebounds, feeds to goal and shots to goal needs to be
addressed.
Description
DEGREE OF BACHELOR OF SCIENCE (HONOURS)
SPORT AND EXERCISE SCIENCE
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