Table 1.

Model prediction performance

		Regression (Predicted ΔPSE Against Real ΔPSE)			PSE Error [N/m]		JND [N/m]
		Intercept [N/m]	Slope [au]	p- value	Force (Real = 0.16)	Stretch (Real = 20.64)	Force (Real = 12.13)		Stretch (Real = 14.95)
Model	Accuracy	Intercept [N/m]	Slope [au]	p- value	Force (Real = 0.16)	Stretch (Real = 20.64)	Predicted	Error	Predicted	Error
Maximum penetration	69.51	−2.67	−0.15	0.13	−1.84	24.35	16.97	−4.84	18.93	−3.97
Maximum velocity	54.15	11.5	−0.06	0.96	−0.51	9.67	73.20	−61.07	55.26	−40.32
Average velocity	50.19	−16.95	−3.46	0.58	−79.10	29.16	2447.30	−2435.13	−133.31	148.25
Maximum grip force	59.18	−5.75	−0.18	0.86	11.41	41.33	136.58	−124.45	94.65	−79.70
Logistic regression	64.54 ± 0.03	6.85	−0.30	0.77	−70.57	−50.81	48.78	−36.66	61.23	−46.28