Participant | Time lapse | Failed commands | IC changes | Classification matrix’s measures | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Absolute | Relative | F | R | L | Total | Recall | Specificity | Precision | NPV | Accuracy | ||
Virtual navigation task 1: visual-auditory interface | ||||||||||||
A1 | 215 | 1.09 | 0 | 0 | 0 | 0 | 0 | .94 | 1.00 | 1.00 | .92 | .97 |
A2 | 381 | 1.92 | 2 | 0 | 11 | 13 | 0 | .85 | .67 | .57 | .90 | .73 |
A6 | 432 | 2.18 | 1 | 0 | 0 | 1 | 1 | .81 | .96 | .94 | .85 | .89 |
A8 | 312 | 1.80 | 1 | 0 | 7 | 8 | 0 | .89 | .65 | .68 | .88 | .76 |
A9 | 294 | 1.48 | 0 | 1 | 1 | 2 | 0 | .94 | .86 | .89 | .92 | .91 |
A12 | 284 | 1.43 | 1 | 0 | 2 | 3 | 0 | .94 | .75 | .85 | .90 | .87 |
B13 | 413 | 1.78 | 1 | 0 | 2 | 3 | 1 | .63 | .92 | .85 | .78 | .80 |
B14 | 392 | 1.98 | 2 | 1 | 0 | 3 | 0 | .81 | .80 | .85 | .75 | .81 |
B15 | 284 | 1.43 | 0 | 0 | 4 | 4 | 0 | 1.00 | .67 | .81 | 1.00 | .86 |
Average | 334 ± 73 | 1.68 ± 0.34 | 0.89 ± 0.78 | 0.22 ± 0.44 | 3.00 ± 3.78 | 4.11 ± 4.01 | 0.22 ± 0.44 | .87 ± .11 | .81 ± .13 | .83 ± 13 | .88 ± .08 | .84 ± .08 |
Virtual navigation task 2: auditory interface | ||||||||||||
A1 | 246 | 1.24 | 2 | 0 | 0 | 2 | 0 | .89 | .86 | .89 | .86 | .88 |
A2 | 513 | 2.59 | 0 | 6 | 25 | 31 | 0 | 1.00 | .39 | .35 | 1.00 | .54 |
A6 | 410 | 2.09 | 1 | 3 | 3 | 7 | 0 | .89 | .63 | .71 | .86 | .76 |
A8 | 251 | 1.27 | 0 | 1 | 1 | 2 | 0 | 1.00 | .80 | .89 | 1.00 | .93 |
A9 | 303 | 1.53 | 2 | 0 | 0 | 2 | 0 | .85 | .85 | .89 | .79 | .85 |
A12 | 278 | 1.40 | 0 | 1 | 0 | 1 | 0 | .94 | .92 | .94 | .92 | .93 |
B13 | 644 | 3.25 | 4 | 0 | 0 | 4 | 8 | .41 | .95 | .81 | .76 | .76 |
B15 | 252 | 1.27 | 0 | 0 | 1 | 1 | 0 | 1.00 | .89 | .94 | 1.00 | .96 |
Average | 362 ± 148 | 1.83 ± 0.75 | 1.13 ± 1.48 | 1.38 ± 2.13 | 3.75 ± 8.65 | 6.25 ± 10.20 | 1 ± 2.83 | .75 ± .36 | .79 ± .19 | .80 ± .20 | .90 ± .10 | .83 ± .14 |