Table 2.
Mean neuropsychological domain z-scores (±SD) for patients with schizophrenia treated with cognitive remediation or computer-skills lessons before and after training.
| Variable | Group | n | Pre-training | Post-training | F-statistic time | p-value |
|---|---|---|---|---|---|---|
| time X group | ||||||
| Working Memory | CR | 23 | −.6 (1.1) | −.1 (1.2) | 19.2 | <.001 |
| CS | 19 | −.2 (1.0) | 0.0 (1.2) | 5.3 | .027 | |
| Verbal Episodic Memory | CR | 23 | −1.3 (1.0) | −.9 (1.1) | 23.4 | <.001 |
| CS | 19 | −.9 (.9) | −.3 (.7) | 1.9 | NS | |
| Spatial Episodic memory | CR | 22 | −2.6 (1.1) | −2.2 (1.3) | 11.0 | .002 |
| CS | 18 | −2.1 (1.1) | −1.4 (1.5) | .4 | NS | |
| Processing Speed | CR | 21 | −1.2 (.8) | −1.0 (.9) | 14.6 | <.001 |
| CS | 19 | −1.2 (.7) | −.9 (.7) | .4 | NS | |
| Reasoning/Executive | CR | 17 | −.8 (1.1) | −.2 (1.2) | 16.2 | <.001 |
| Function | CS | 16 | −.6 (1.2) | −.2 (1.2) | .4 | NS |
Note: SD=standard deviation; CR=cognitive remediation, CS=computer skills, NS=non-significant.