Histograms of the difference in log (g) obtained using grid-based modelling with the same method, but with and without the correction in the Δν scaling relation (White et al. 2011). From top to bottom: CAN, COR, and OCT. The central values of the distributions and formal 1σ uncertainties are given in the legend of each panel. The vertical dashed line indicates zero. The colour-coding is the same as in Fig. 2. Note that the horizontal scale has been expanded.