Scientific research into Salvia divinorum is rare, but now the famous Harvard University catches up! At the moment they are investigating the subjective effects of this miraculous plant. Have you ever used Salvia divinorum? Contribute to science by filling in the questionnaire.
The survey is completely anonymous. You will be asked questions about your use, experiences and some personality characteristics. Depending on how much information you provide it will take between 30 minutes and 1 hour to fill in the questionnaire.
You can find the survey here.