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withdraw from the test if they are unable to maintain the required pace. The score was<br />

recorded as the number <strong>of</strong> the last completed lap and the maximal aerobic power was then<br />

predicted (Léger & Lambert, 1982). The reliability and validity <strong>of</strong> measurement for the<br />

multistage <strong>fitness</strong> test is 0.95 and 0.90, respectively (Léger & Lambert, 1982).<br />

3.7 STATISTICAL ANALYSIS<br />

Descriptive statistics was used to analyse the test results and were expressed as means and<br />

standard deviations. Double entry was used to ensure accuracy <strong>of</strong> the data entry.<br />

The main aim <strong>of</strong> this study was to determine whether there were differences in the physical<br />

condition (as measured by several different variables) <strong>of</strong> women (high-level) <strong>rugby</strong> <strong>players</strong> at<br />

three different points in the season: pre-season, mid-season, and post-season. A secondary<br />

aim was to know if there were differences between playing positions with regards to physical<br />

<strong>fitness</strong>. Hence, statistically, the model that was used for analysis was a two-factor analysis <strong>of</strong><br />

variance (ANOVA) with one factor (position) being a between-participants factor with two<br />

levels and the second factor (test or time) being a within-participants factor with three levels.<br />

The responses within participants were dependent and the dependency was modeled using an<br />

unstructured correlation model.<br />

The s<strong>of</strong>tware SAS v9 (SAS Institute Inc., Cary, NC, USA) was used for analysis. Specifically<br />

the MIXED procedure was used for the analysis. An interaction term for Position and Test<br />

was included in the model. Pairwise comparisons were done using Least Squares Means.<br />

Due to the large number <strong>of</strong> tests being conducted, a more stringent level <strong>of</strong> significance <strong>of</strong><br />

55

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