Table 9b.

Type I Error Rate for Joint Test at a Boundary Point on the Positive (Δ₂|c)-Axis for Selected Parameter Values of ρ_T, ρ_P, σ₁ and τ (DRDS Design Parameter Values: r₁ = 2, r₂ = 1, N₁ = 990) (Δ, Γ) = (α₁*Δ₁ + α₂*(Δ₂|X_1,P < c)_, Δ₁ (Δ₂|X_1,P < c)) P (${\hat{Z}}_a$>c_0.025 - α₂ (Δ₂|X_1,P < c)/std ($\widehat{\text{Δ}}$) & ${\hat{W}}_o$> c_0.025,W |(0, Δ₂|X_1,P < c)).

ρP	ρT	σ1	κ	τ	γ = Φ(τ)	ϕ(τ)/Φ(τ)	Δ2|X1,P < c	Type I error rate
0.90	0.10	2.40	1.0	−0.60	0.274	1.215	2.33	0.0054
				−0.30	0.382	0.998	1.92	0.0064
				0.00	0.500	0.798	1.53	0.0068
				0.30	0.618	0.618	1.19	0.0063
				0.60	0.726	0.459	0.88	0.0052
			0.5	−0.60	0.274	1.215	2.48	0.0058
				−0.30	0.382	0.998	2.04	0.0068
				0.00	0.500	0.798	1.63	0.0072
				0.30	0.618	0.618	1.26	0.0067
				0.60	0.726	0.459	0.94	0.0055
		1.20	1.0	−0.60	0.274	1.215	1.17	0.0124
				−0.30	0.382	0.998	0.96	0.0153
				0.00	0.500	0.798	0.77	0.0161
				0.30	0.618	0.618	0.59	0.0146
				0.60	0.726	0.459	0.44	0.0114
			0.5	−0.60	0.274	1.215	1.24	0.0236
				−0.30	0.382	0.998	1.02	0.0285
				0.00	0.500	0.798	0.81	0.0296
				0.30	0.618	0.618	0.63	0.0269
				0.60	0.726	0.459	0.47	0.0210