156 Chapter 7 Table 2 shows the cross-tabulation analyses of the relationship between performance level group at late and early junior age of male and female swimmers. At late junior age (16 years), fifteen of the 45 male swimmers (33%) were classified in the high-level performance group. All fifteen high-performing male late juniors (100%) were also categorized as highperforming early juniors (13 years), whereas 27 out of the 42 (64%) high-performing male early juniors switched to the lower-level performance group at late junior age. For females, ten of the 43 swimmers (23%) were classified in the high-level performance group at late junior age (15 years). Eight high-performing female late juniors (80%) were also categorized as high-performing early juniors (12 years), whereas 21 out of the 29 high-performing early junior females (72%) switched to the lower-level performance group at late junior age.
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