Substance dependence Addictive potential Addictive potential

| Drug | Mean | Pleasure | Psychological_dependence | Physical_dependence |
|---|---|---|---|---|
| Heroin | 3.00 | 3.0 | 3.0 | 3.0 |
| Cocaine | 2.37 | 3.0 | 2.8 | 1.3 |
| Alcohol | 1.93 | 2.3 | 1.9 | 1.6 |
| Barbiturates | 2.01 | 2.0 | 2.2 | 1.8 |
| Benzodiazepines | 1.83 | 1.7 | 2.1 | 1.8 |
| Amphetamine | 1.67 | 2.0 | 1.9 | 1.1 |
| Cannabis | 1.51 | 1.9 | 1.7 | 0.8 |
| Ecstasy | 1.13 | 1.5 | 1.2 | 0.7 |
| LSD | 0.90 | 1.3 | 1.1 | 0.3 |