| Design # 1 | New intervention vs. TAU |
| Design # 2 | New intervention + TAU vs. alternative intervention + TAU |
| Design # 3 | New intervention + TAU vs. alternative intervention + TAU |
| Design # 4 | New intervention vs. standardized control treatment |
| Design # 1 | New intervention vs. TAU |
| Design # 2 | New intervention + TAU vs. alternative intervention + TAU |
| Design # 3 | New intervention + TAU vs. alternative intervention + TAU |
| Design # 4 | New intervention vs. standardized control treatment |