Here are the normal approximations to the marginal posteriors in the
TE trial data (plotted in Figure 8.8, page 296):

Monitoring point 1:  Normal with mean 0, sd infinity (flat posterior)
Monitoring point 2:  Normal with mean 0.021, sd 0.664
Monitoring point 3:  Normal with mean 0.491, sd 0.393
Monitoring point 4:  Normal with mean 0.620, sd 0.312