Psychological effects of dexamphetamine and placebo
| Rating scale | Score, mean ± SD | |
|---|---|---|
| Dexamphetamine | Placebo | |
| BPRS | 26.4 ± 4.2* | 23.5 ± 1.1 |
| MIS | 4.7 ± 7.4* | 3.5 ± 5.9 |
| SAPS | 4.5 ± 6.3* | 2.9 ± 4.9 |
BPRS = Brief Psychiatric Rating Scale; MIS = Magical Ideation Scale; SAPS = Scale for the Assessment of Positive Symptoms; SD = standard deviation.
↵* Significant at p < 0.001.