Table 3.
Measures of central tendency in Wisconsin Card Sorting Test—WCST of the ten subjects in pretest and posttest
| Mean | SD | Minimum | Maximum | |||||
|---|---|---|---|---|---|---|---|---|
| N = 10 | Pre | Post | Pre | Post | Pre | Post | Pre | Post |
| Number of trials administered | 123.3 | 117.7 | 14.9 | 19.4 | 81 | 68 | 128 | 128 |
| Total number of correct answers | 60.4 | 68.1 | 25.8 | 19.9 | 32 | 35 | 102 | 94 |
| Total number of errors | 62.9 | 49.7 | 31.4 | 29.4 | 11 | 4 | 96 | 93 |
| Number of perseverative responses | 58.6 | 31.9 | 46.9 | 30.3 | 6 | 1 | 127 | 88 |
| Number of perseverative errors | 46.3 | 26.1 | 34.5 | 23.8 | 6 | 1 | 95 | 71 |
| Number of categories completed | 2.1 | 3.8 | 2.4 | 2.2 | 0 | 0 | 6 | 6 |
| Number of trials to complete the 1st category | 61 | 34.5 | 58.7 | 37.2 | 10 | 10 | 129 | 128 |
| Failure to maintain set | 1.2 | 1.6 | 1.5 | 1.7 | 0 | 0 | 4 | 4 |