Erowid
 
 
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survey
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Erowid Surveys
Below is a list of surveys that have been conducted by Erowid. See our Current Survey page.

See also Current Psychoactive Research Seeking Volunteers.

Date
#
Description
2013
April 15 - Aug 1
130
A pilot Wisdom Cycle survey administered in paper form only. See Wisdom Cycle Project.
2012
Sep 6 - Sep 15
11,000
A survey about what psychedelics people have tried.
Aug 22 - Sep 1
5050
A survey about discarnate entity encounters
2011
May 22 - July
-
A survey about Alcohol, Cannabis, and Ketamine Use and related health issues.
2010
Oct 10 - Oct 15
30576
Demographics
Oct 6 - Oct 15
33640
2009
Sep 16 - Oct11
53,352
Feb 17 - Feb 18
296
Member T-Shirt Feedback
2008
Mar 19 - Mar 27
20227
Ecstasy Use and Hangover
Mar 17 - Mar 19
4011
Caffeine and Pregnancy
Feb 29 - Mar 20
20820
Mar 6 - Apr 1
61790
2006
Feb 22 - Feb 24
10804
Psilocybin Mushroom Survey
Jan 02
1683
Dec 30
17708
2005
Dec 21
37436
Dec 16 - Dec 20
13262
Dec 02 - Dec 15
15214
Nov 30 - Dec 02
10091
Oct 08 - Oct 20
1675
Sep 14 - Dec 15
3157
HPPD Survey
Apr 22 - Apr 24
8525
Visitor Demographics Survey #4
2004
Jun 21 - Jul 19
1859
Visual Effects Survey
2003
Aug 05 - Aug 19
530
2002
Jul 20 - Aug 07
927
Jun 01 - Jun 02
1336
May 31 - Jun 01
783
May 30 - May 31
2282
Mar 15 - pres.
221
Cluster Headache Survey
Feb 21 - Apr 27
29
Erowid Member Survey