Haptic Stylus and Empirical Studies on Braille, Button, and Texture Display

Table 7

Experimental results.

	Percentage of correct answers					Duration of a trial (second)
	S1	S2	S3	S4	S5	Ave./Std.
Group1	97.5	92.5	85.0	95.0	92.5	10.7/2.9
Group2	92.5	100	77.5	97.5	75.0	13.4/4.0
Group3	62.5	77.5	80.0	72.5	95.0	20.6/10.7