highly significantp < 0.001
All participants got adapted, although to a variable extent ( Figure 2B ), as also confirmed by the two-way ANOVA which showed a highly significant main effect of Adaptation [ F (1, 15) = 45.818; p < 0.001; ƞ p 2 = 0.75] and Adaptation x Numerosity [ F (4, 60) = 9.667; p = 0.001; ƞ p 2 = 0.39].