57 Interim performance progression of talented swimmers 3 Appendix E. Test statistics of independent sample t-tests and Mann Whitney tests for talented female swimmers. PPA Age t or U Df p CI r or d 12* 455 0.706 0.03 13* 2.420 0.665 0.03 14 0.989 417.000 0.323 [-0.42 - 1.30] 0.19 15 -2.390 582.000 0.811 [-0.56 - 0.44] -0.03 16 0.431 651.000 0.667 [0.30 - 0.47] 0.05 17 -1.052 611.000 0.293 [-0.58 - 0.17] -0.11 18 -1.487 405.000 0.138 [-0.64 - 0.09] -0.17 19 -4.010 363.000 0.688 [-0.42 - 0.28] -0.04 20 -1.612 307.000 0.108 [-0.63 - 0.06] -0.19 21 0.081 172.000 0.935 [-0.43 - 0.47] 0.01 22 1.380 132.000 0.170 [-0.15 - 0.84] 0.25 PPB Age t or U Df p CI r or d 12* 318.00 0.110 0.13 13* 1,743.00 0.013 0.15 14 3.712 31.633 0.001 [4.5 - 15.5 ] 0.89 15 3.632 81.476 <0.001 [3.4 - 11.5] 0.61 16 3.677 126.220 <0.001 [2.6 - 8.8] 0.47 17 3.318 150.036 0.001 [2.1 - 8.1] 0.41 18 2.950 143.183 0.004 [1.8 - 9.0] 0.40 19 3.281 172.146 0.001 [2.3 - 9.3] 0.42 20 3.427 151.112 0.001 [3.1 - 11.6] 0.47 21 3.662 168.445 <0.001 [4.2 - 14.1] 0.50 22 2.703 129.481 0.008 [1.8 - 11.9] 0.43 Note. *For age 12 through 13, Mann Whitney tests were performed instead of independent sample t-tests (test statistic is U and effect size is r)
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