| Table. Successful outcome contingent on treatment and belief | ||
| Real treatment | Sham treatment | |
| Specific treatment* | A | B |
| Sham treatment** | C | D |
| *Accepted-site acupuncture, TENS,etc. **Off-site acupuncture, drug placebo, sham TENS, etc. The cells: A, B, C, and D represent the four possible objective and subjective treatment conditions. | ||





















