Fig. 4From: Revisiting phylogenetic signal; strong or negligible impacts of polytomies and branch length information?Schematic representation of the analysis conducted to quantify the frequency of strong shifts in the p-values (i.e. directional biases) derived from the use of polytomic chronograms (P2) and pseudo-chronograms (P3) instead of the “true” chronograms (P1)Back to article page