Table 4.

Unconditional distribution: the simulation results for the mean difference with continuous endpoints based on 5000 simulations.

	$\mathit{\kappa }$	$\mathit{\theta }$	|Bias|	ESE	SEE	ECP	$\mathit{\theta }$	|Bias|	ESE	SEE	ECP
		${\mathit{\gamma }}_0=0$					${\mathit{\gamma }}_0=1$
${\hat{\theta }}_{\text{adj}}$	0	0	0.002	0.253	0.247	0.942	−1	0.002	0.253	0.247	0.942
$\hat{\theta }$	0	0	0.003	0.250	0.249	0.947	−1	0.003	0.250	0.249	0.947
${\hat{\theta }}_{\text{adj}}$	2	0	0.002	0.253	0.247	0.942	−1	0.002	0.253	0.247	0.942
$\hat{\theta }$	2	0	0.009	0.308	0.304	0.944	−1	0.009	0.308	0.304	0.944
${\hat{\theta }}_{\text{adj}}$	4	0	0.002	0.253	0.247	0.942	−1	0.002	0.253	0.247	0.942
$\hat{\theta }$	4	0	0.015	0.435	0.427	0.943	−1	0.015	0.435	0.427	0.943

ESE: empirical standard error; SEE: average standard error estimator; ECP: empirical coverage level of the 95% confidence intervals.