Slope b S.E. p (β ≠ 1) Consistent with Drift
R. simulator skulls 0.408 0.093 p < 0.001 No
R. cf. simulator skulls 0.285 0.160 p < 0.001 No
R. simulator mandibles 0.150 0.067 p < 0.001 No
R. cf. simulator mandibles -0.192 0.165 p < 0.001 No