Table 1.
Results of online experiment. Each trial of this experiment includes 9 operations as shown in Figure 8. “No. selections” is the average number of selections performed in a trial, “No. characters” is the average number of actual input characters for text input, “Spelling time” is the average time for text input, and “Trial time” is the average time for a complete trial.
| Subject | No. trials | No. selections | No. characters | Spelling time (s) | Trial time (s) |
|---|---|---|---|---|---|
| S1 | 5 | 8.0 | 8.2 | 101.33 | 414.62 |
| S2 | 5 | 8.8 | 7.2 | 99.68 | 444.14 |
| S3 | 5 | 8.25 | 8.0 | 96.88 | 422.10 |
| S4 | 5 | 9.0 | 7.4 | 82.05 | 448.20 |
| S5 | 5 | 8.8 | 7.8 | 94.41 | 444.28 |
| S6 | 5 | 8.0 | 7.8 | 102.52 | 430.87 |
|
| |||||
| Average | 5 | 8.48 | 7.73 | 96.15 | 434.04 |