Table 5 Comparisons of operating speeds between graphical interface and text-based linear lists interface
From: Graphical interface design for children seeking information in a digital library
|  | Task 1 | N = 48 | |||||
|---|---|---|---|---|---|---|---|
| Â | Graphical interface | Text-based linear lists interface | Significance | ||||
| Â | Mean | Std. Dev. | Number | Mean | Std. Dev. | Number | Â |
1-2 grade | 59.33 | 15.397 | 6 | - | - | - | Â |
3-4 grade | 40.11 | 20.981 | 19 | 61.00 | 11.640 | 5 | Â |
5-6 grade | 38.64 | 18.559 | 11 | 64.71 | 13.425 | 7 | Â |
Average | 42.86 | 20.370 | 36 | 63.17 | 12.298 | 12 | .005** |
|  | Task 2 | N = 53 | |||||
1-2 grade | 44.50 | 20.239 | 10 | - | - | - | Â |
3-4 grade | 37.36 | 19.817 | 22 | 79.67 | 9.609 | 3 | Â |
5-6 grade | 35.08 | 17.090 | 13 | 67.20 | 13.255 | 5 | Â |
Average | 38.29 | 19.056 | 45 | 71.88 | 12.977 | 8 | .000*** |