Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Attribution of symptom improvement in the two treatment conditions
| Certainly other reasons | Probably other reasons | Probably treatment | Certainly treatment | |
|---|---|---|---|---|
| Open-label | 1 | 4 | 1 | 3 |
| Double-blind | 0 | 0 | 4 | 7 |
The attribution categories were specified by quantitizing interview data. Only participants are included who reported any symptom improvement in the interview. The difference between the two groups is statistically significant (Χ2[3] = 8.28; p = .041)
