Table 3.
Online performance metrics
| Experiment | ITRa (bits/sample) | ITR (bits/s) | P b | Uc (bits/s) |
|---|---|---|---|---|
| I (1) | 0.2398 (0.0055) | 0.4190 (0.0078) | 1 (0.0000) | 1.7469 (0.0455) |
| I (2) | 0.2142 (0.0082) | 0.3679 (0.0091) | 1 (0.0000) | 1.7170 (0.0302) |
| I (3) | 0.1937 (0.0063) | 0.3510 (0.0032) | 1 (0.0000) | 1.8123 (0.0142) |
| II (2) | 0.7002 (0.0044) | 0.7187 (0.0106) | 1 (0.0000) | 2.0529 (0.0635) |
| II (2) | 0.7353 (0.0068) | 0.4724 (0.0112) | 0.9333 (0.0258) | 1.1993 (0.0338) |
| II (3) | 0.6950 (0.0037) | 0.4404 (0.0075) | 1 (0.0000) | 1.2672 (0.0422) |
| III | 0.9247 (0.0042) | 0.4757 (0.0302) | 0.8667 (0.0352) | 1.1525 (0.0458) |
| Mean | 0.5290 | 0.4636 | 0.9714 | 1.5640 |
aInformation transfer rate
b Ratio of correct to total number of verbal responses
cUtility