highly significantp < 0.001
Within the erosion/abrasion groups, Welch’s ANOVA revealed highly significant differences among materials, with effect F (4, 19.24) = 929.25 ( p < 0.001).
Within the erosion/abrasion groups, Welch’s ANOVA revealed highly significant differences among materials, with effect F (4, 19.24) = 929.25 ( p < 0.001).