Table 1.

The empirical type I error rates of the tests at the significance level of 0.05 when the survival times have the same uniform, exponential, or log-normal distributions with sample sizes n ₁ = 100, n ₂ = 150, n ₃ = 150, n ₄ = 200 (simulation study with 10,000 replicates for each situation)

Distributions and parameters	Censoring rate	BC	TJ	New
Uniform distribution   θ = (10,10,10,10)   a = (4,4,4,4)   c = (2,2,2,2)	0	0.053	0.049	0.051
	0.1	0.052	0.070	0.047
	0.2	0.057	0.092	0.049
	0.3	0.057	0.114	0.047
Exponential distribution   θ = (10,10,10,10)   a = (0.1,0.1,0.1,0.1)	0	0.050	0.047	0.047
	0.1	0.052	0.056	0.050
	0.2	0.053	0.068	0.050
	0.3	0.051	0.083	0.047
Log-normal distribution   θ = (log(10), log(10), log(10), log(10))   a = (0.3,0.3,0.3,0.3)	0	0.057	0.052	0.054
	0.1	0.055	0.065	0.050
	0.2	0.054	0.082	0.050
	0.3	0.054	0.104	0.050