Table 3.
Bivariate Correlations (Spearman's rho) Between Placebo Questionnaire Scores and Demographic, Clinical, and Neuropsychological Variables
| Characteristic | Spearman's rho | p |
| Age (years) | −.265 | .066 |
| Education (years) | .083 | .570 |
| PANSS | ||
| Positive subscale | −.123 | .399 |
| Negative subscale | −.359 | .011 |
| General subscale | −.146 | .315 |
| HAM-D (17-item version) | .023 | .873 |
| Birchwood Insight Questionnaire | .218 | .137 |
| DRS Raw Scores (N = 46) | ||
| Total | .405 | .005 |
| Attention | .219 | .144 |
| Initiation/Perseveration | .270 | .070 |
| Construction | .359 | .014 |
| Conceptualization | .371 | .011 |
| Memory | .199 | .185 |
| MacCAT-CR Subscales | ||
| Understanding | .623 | < .001 |
| Appreciation | .229 | .114 |
| Reasoning | .443 | .001 |
Note: N = 49, except where indicated. PANSS = Positive and Negative Syndrome Scale; HAM-D = Hamilton Depression Rating Scale; DRS = Mattis Dementia Rating Scale; MacCAT-CR = MacArthur Competence Assessment Tool for Clinical Research.