Table 6: Bias for each field and for each magnitude limited sample considered in this paper, for $\overline z = 3.2$ and for the best fitting value of the slope. The result marked as "CFDF mean'' is computed from the mean over all three fields. The error bars shown correspond to Poisson error bars. To account for our uncertainty in the underlying redshift distribution of our Lyman-break sources, an extra systematic error of $\pm 0.1$ for the whole and faint samples and of $\pm 0.2$ for the bright sample should be added.
Field magnitude $\gamma$ b b b
  cuts   $\Omega_{0}=1.0$, $\Omega_{0}=0.2$, $\Omega_0=0.3$,
  (IAB)   $\Omega_{\Lambda}=0.0$ $\Omega_{\Lambda}=0.0$ $\Omega_{\Lambda}=0.7$
CFDF-14 20.0-24.5 $\rm 1.81^{+0.21}_{-0.24}$ $\rm 4.6^{+5.2}_{-1.6}$ $\rm 1.8^{+2.0}_{-0.6}$ $\rm 3.2^{+3.6}_{-1.1}$
  20.0-23.5 $\rm 2.08^{+0.84}_{-0.66}$ $\rm 8.7^{+92.6}_{-4.3}$ $\rm 3.6^{+38.7}_{-1.8}$ $\rm 6.3^{+67.5}_{-3.1}$
  23.5-24.5 $\rm 1.96^{+0.25}_{-0.26}$ $\rm 3.8^{+5.3}_{-1.4}$ $\rm 1.5^{+2.1}_{-0.6}$ $2\rm .7^{+3.8}_{-1.0}$
CFDF-22 20.0-24.5 $\rm 1.81^{+0.25}_{-0.35}$ $\rm 5.4^{+13.7}_{-2.0}$ $\rm 2.1^{+5.4}_{-0.8}$ $\rm 3.7^{+9.4}_{-1.4}$
CFDF-03 20.0-24.5 1.8 5.5$~\pm~$0.2 2.1$~\pm~$0.1 3.8$~\pm~$0.1
CFDF mean 20.0-24.5 1.8 5.1$~\pm~$0.4 2.0$~\pm~$0.2 3.5$~\pm~$0.3
CFDF-14 20.0-23.5 1.8 9.9$~\pm~$1.5 3.6$~\pm~$0.6 6.4$~\pm~$1.0
  23.5-24.5 1.8 4.3$~\pm~$0.4 1.7$~\pm~$0.2 3.0$~\pm~$0.3


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