Table 1.

Descriptive statistics for experiment 1.

	JND
	Narrow	Stretch	Shrink	Grow	Roll	Grain
Mean	0.09	0.12	0.04	0.05	2.57	0.01
Std. Deviation	0.06	0.06	0.03	0.03	2.37	0.05
Minimum	0.04	0.07	0.01	0.01	0.31	0.03
Maximum	0.24	0.29	0.12	0.12	9.5	0.19
	Within-Subject Variability
	Narrow	Stretch	Shrink	Grow	Roll	Grain
Mean	0.003	0.004	0.001	8.0e -4	0.93	0.002
Std. Deviation	0.003	0.009	0.002	0.002	1.05	0.003
Minimum	0	0	0	0	0.003	0
Maximum	0.008	0.04	0.007	0.006	3.92	0.01
	Convergence Rate
	Narrow	Stretch	Shrink	Grow	Roll	Grain
Mean	5.99	8.73	7.03	6.57	5.74	6.76
Std. Deviation	1.47	0.91	1.6	1.98	2.23	1.76
Minimum	3	7	4	3	1	4
Maximum	9	10	9.5	9.75	10	10