Table 2.
Correlations between Symptom Ratings and Standard Neuropsychological Measures and Error Percentages during Discrimination and Reversal Phases.
| Discrimination Phase |
1st Reversal Phase |
|||
|---|---|---|---|---|
| Symptom Rating Scale | Correlation with Error % | p value of correlation | Correlation with Error % | p value of correlation |
| CDS Total | -0.04 | 0.82 | -0.20 | 0.29 |
| SANS Total | 0.24 | 0.19 | 0.34 | 0.06 |
| Affective Blunting Subscale | 0.18 | 0.32 | 0.34 | 0.06 |
| Alogia Subscale | 0.33 | 0.06 | 0.21 | 0.28 |
| Avolition Subscale | 0.23 | 0.19 | 0.20 | 0.28 |
| Anhedonia Subscale | -0.03 | 0.85 | 0.15 | 0.42 |
| BPRS Total | 0.22 | 0.23 | -0.01 | 0.97 |
| Psychosis Cluster | 0.25 | 0.15 | -0.21 | 0.28 |
| Disorganization Cluster | 0.18 | 0.33 | 0.01 | 0.95 |
| Neg. Symptom Cluster | 0.21 | 0.23 | 0.28 | 0.14 |
| Depression Cluster | -0.17 | 0.34 | -0.12 | 0.52 |
|
Discrimination Phase |
1st Reversal Phase |
|||
| Neuropsychol. Measure | Correlation with Error % | p value of correlation | Correlation with Error % | p value of correlation |
| HVLT Total | -0.37 | 0.03 | -0.02 | 0.93 |
| WTAR - Scaled Score | -0.41 | 0.02 | -0.39 | 0.03 |
| Letter-Number Sequencing | -0.45 | 0.01 | -0.38 | 0.03 |
| Spatial Span - Scaled Score | -0.22 | 0.22 | -0.05 | 0.80 |
Abbreviations: CDS = Calgary Depression Scale; SANS = Scale for the Assessment of Negative Symptoms; BPRS = Brief Psychiatric Rating Scale; HVLT = Hopkins Verbal Learning Test; WTAR = Wechsler Test of Adult Reading.