Table 6.
Task performance of aided communicators using symbols and spelling.
| Tasks and variables | Symbols Mean (SD) | Spelling Mean (SD) | t | p |
|---|---|---|---|---|
| BAC CONSTRUCTION | ||||
| Items correctly solved (%) (N = 15, 13) | 43.9 (33.2) | 88.6 (12.9) | −4.810 | 0.000* |
| Time (sec) (N = 15, 13) | 353.7 (233.0) | 495.6 (259.8) | −1.511 | 0.144 |
| Planning (N = 14, 13) | 2.2 (0.5) | 2.8 (0.4) | −3.161 | 0.004* |
| Objects (N = 14, 13) | 0.44 (0.29) | 0.74 (0.20) | −3.131 | 0.005* |
| Attributes (N = 14, 13) | 0.92 (0.44) | 1.10 (0.57) | −0.950 | 0.352 |
| Specificity (initial) (N = 14, 13) | 1.9 (0.6) | 2.6 (0.5) | −3.637 | 0.001* |
| Specificity (final) (N = 14, 13) | 2.2 (0.7) | 2.9 (0.5) | −3.022 | 0.006* |
| Monitoring (N = 14, 13) | 0.4 (0.2) | 0.3 (0.2) | 0.733 | 0.471 |
| BAC DESCRIPTION | ||||
| Items correctly solved (%) (N = 13, 14) | 52.5 (26.1) | 76.8 (26.6) | −2.402 | 0.024* |
| Time (sec) (N = 4, 8) | 234.2 (177.8) | 247.9 (139.6) | −0.134 | 0.898 |
| Impulsivity (%) (N = 13, 14) | 20.1 (20.0) | 9.6 (26.7) | 1.162 | 0.257 |
t, t-test (independent samples t-test, equal variances assumed).
*
p < 0.05.