highly significantP < 0.001
We recorded a highly significant effect of the inclination of the path on the probability of rolling upon perceiving the stimulus (Logistic Regression Model, rubbing: χ 2 1,10 = 752.3, P < 0.001; tapping: χ 2 1,10 = 767.3, P < 0.001, n = 60 for each angle of each treatment).