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. 2012 Aug 3;9:53. doi: 10.1186/1743-0003-9-53

Table 2.

Incidence of response types by display type

  Display OFF Display ON Erroneous display
Typical response
182
396
17
Delayed response
43
45
11
Uncontrolled response
6
7
8
Chi-squared value compared to OFF (df = 2)   11.14 (p < .005) 29.24 (p < .0001)

The number of perturbations which resulted in each type of response (typical, delayed, or uncontrolled) is shown for each type of vibrotactile display type (OFF, ON, Erroneous). Chi-squared tests demonstrate significant differences between ON vs. OFF, and between Erroneous vs. OFF.

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