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Table 3 Empirical power based on 2000 runs for testing θ 1 = θ 2 using the LRT and Wald test for n = 30 subjects.

From: Comparison of two dependent within subject coefficients of variation to evaluate the reproducibility of measurement devices

n = 30 1, ρ2) = (0.7,0.5)
1, θ2) =(0.1,0.2)
1, ρ2) = (0.6, 0.5)
1, θ2) = (0.15,0.2)
1, ρ2) = (0.5, 0.4)
1, θ2) = (0.2, 0.3)
   ρ12 0.2 0.3 0.4 0.2 0.3 0.4 0.1 0.2 0.3
m = 2          
   Wald 0.92 0.93 0.94 0.30 0.33 0.32 0.55 0.50 0.51
   LRT 0.94 0.95 0.96 0.35 0.33 0.34 0.60 0.56 0.54
m = 3          
   Wald 0.99 1.00 1.00 0.55 0.56 0.54 0.79 0.80 0.79
   LRT 1.00 1.00 1.00 0.57 0.56 0.55 0.82 0.83 0.83
m = 5          
   Wald 1.00 1.00 1.00 0.80 0.82 0.84 0.96 0.95 0.97
   LRT 1.00 1.00 1.00 0.81 0.82 0.85 0.97 0.97 0.98