Table 4b. Illustrates Mauchley’s test of sphericity and significance values for Stiff leg drop jump (SDJ) height (cm), reactive strength index (RSI, m/sec), and peak power (PP, watt). Bolded boxes highlight significant differences.
Mauchley’s Sphericity assumption met Significance
Duration *time Duration Duration *time Duration Main Effect Time Main Effect
Height χ2(5) = 7.22,
p = 0.21		 χ2(5) = 16.63,
p = 0.005		 F(3, 45) = 1.02,
p = 0.39,
η2 = 0.06		 F(1.8, 27.7) = 4.95,
p = 0.01,
η2 = 0.24		 F(1, 15) = 6.96,
p = 0.02,
η2 = 0.317
RSI χ2(5) = 5.43,
p = 0.36		 χ2(5) = 7.31,
p = 0.19		 F(3, 45) = 0.87,
p = 0.45,
η2 = 0.05		 F(3, 45) = 2.59,
p = 0.06,
η2 = 0.14		 F(1, 15) = 19.66,
p < 0.001,
η2 = 0.56
Peak Power χ2(5) = 9.43,
p = 0.09		 χ2(5) = 9.28,
p = 0.09		 F(3, 45) = 0.21,
p = 0.89,
η2 = 0.01		 F(3, 45) = 2.30,
p = 0.09,
η2 = 0.13		 F(1, 15) = 14.51,
p = 0.002,
η2 = 0.49
RSI: reactive strength index (RSI=HT(meters)/CT(seconds).