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Created an open survey & resource about MDMA doses...

Adam Cecils

Adam Cecils

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Apr 6, 2010
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Sup folks

In online MDMA communities, quite often when I see a newbie asking about what MDMA dose they should take they get referred to the x1.5 bodyweight rule of thumb (or referred the FAQ of/c). I believe I read somewhere that this was based off a clinical trial and as clinical trials normally err on the side of caution I wondered how much this rule of thumb strays from a 'normal' recreational dose of MDMA. I also wondered if there is actually a positive correlation between body weight and recreational doses. Then I realised I've never seen any aggregated data on what doses people actually take (apart from the poll here on bluelight that grouped dosage amounts)

Hence I made this short survey. If you know your regular dose, please consider taking ~1minute to fill it out -- the more people that complete the survey, the more useful the data becomes! My hope is this can be become a resource for people wanting to gauge their usage against other peoples. Perhaps it may even cause us to reconsider what a 'normal' does is!

Link to the results (will change as more people complete the survey)

Many thanks in advance to anyone who fills out the survey, I'd be happy to answer any questions below. Feedback is welcome.
 
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Few criticisms: How do you know that what users believe is MDMA is actually MDMA their consuming? Abusers obviously report a large tolerance, this would severely affect your 'standard' dose. For users who consume pills, they can only guess a standard dose based on the mg reported on PR, which may not be 100% accurate toward their actual pill, especially if its untested.
Obviously on this forum we see a plethora of ignorant users who spurt around rubbish and the general population doesn't have a clue. Some of the answers seem ridiculous - somebody is snorting 500mg and then snorting 200mg as a booster... I'd love to see a 500mg line snorted LOL. While I haven't snorted MDMA, I hear its horrible and I don't understand why this user would do that. Just seems like they don't have a clue what they're actually doing and i'd speculate that there MDMA is something else, or cut etc etc.

Regardless, still a rather interesting study - keep us posted!
 
Yep, these are all valid points and unfortunately prohibition puts us in this pickle where we just have to do the best we can. One thing I think can help is maximising the number of respondents, the more people that answer the 'truer' the data should become in theory. I'll give you my thoughts on your points

JWills20 said:
Few criticisms: How do you know that what users believe is MDMA is actually MDMA their consuming?
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I hope that by asking people to respond who 'know' their regular dose that they will have used enough times to know what is/what isn

JWills20 said:
Abusers obviously report a large tolerance, this would severely affect your 'standard' dose.
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What I hope is that the scatter graph will expose these as anomalies. I have also provided standard deviation on the main dose on the 'Summarised data' tab. At the moment it the moment the mean does is at about 180mg, the mode 150mg and I would say a 'standard dose' seems to be anywhere between 120mg - 200mg regardless of body weight.

JWills20 said:
For users who consume pills, they can only guess a standard dose based on the mg reported on PR, which may not be 100% accurate toward their actual pill, especially if its untested.
Click to expand...
All we can do is hope the people filling out the survey have used enough to have a good idea of what they're taking.

JWills20 said:
Obviously on this forum we see a plethora of ignorant users who spurt around rubbish and the general population doesn't have a clue. Some of the answers seem ridiculous - somebody is snorting 500mg and then snorting 200mg as a booster... I'd love to see a 500mg line snorted LOL. While I haven't snorted MDMA, I hear its horrible and I don't understand why this user would do that. Just seems like they don't have a clue what they're actually doing and i'd speculate that there MDMA is something else, or cut etc etc.
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You mean the 400/300 guy? That does raise an eyebrow but I don't really want to start modifying data unless it is obviously impossible. It seems ridiculous but I can imagine some very extreme [ab]users doing it - maybe he has a big nose =D

JWills20 said:
Regardless, still a rather interesting study - keep us posted!
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Thanks :)
 
severely etarded said:
^ yes, all I take is US pills and my dose is 1 pill. Yes my pills have shown up on Edata, but only as MDMA : 1, which only means I've taken MDMA, and gives me absolutely no reference on how much MDMA...
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Unfortunately those in your situation will have to abstain from the survey. I doubt I need to tell you this but crystal is far from uncommon in Europe and I believe Canada has its fair share. Obviously the purity of crystal can fluctuate too so it's not like we're getting golden data from people who take enough crystal to answer correctly.

Also, while it may be possible for some pill users to give an amount in mg, it would be impossible for people who use crystal to give an answer in a unit of 'pills' and the same goes for making use of the data.
 
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Christ, some people go throw a gram in a night :o and others 100mg including redose!

Personally would have put mg on y axis and kg on x axis - just saying.

Interesting though, great job OP!
 
unscientific but interesting nonetheless.

i was surprised to read, in the summary, that the mean initial dose is 180mg. possibly skewed by the 2 people reporting an initial dose of 600mg (and 4 * 500mg, 3 * 400mg and 8 * 300mg)!

alasdair
 
MrPorter said:
Christ, some people go throw a gram in a night :o and others 100mg including redose!

Personally would have put mg on y axis and kg on x axis - just saying.

Interesting though, great job OP!
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Yeah, it's crazy to see the differences. I did ponder over the axes, why would you switch them? I think the two reasons I put dose horizontally were 1) it's the longer so got more room for clarity and 2) height seems to fit naturally on the Y axis. Thanks :)

alasdairm said:
unscientific but interesting nonetheless.

i was surprised to read, in the summary, that the mean initial dose is 180mg. possibly skewed by the 2 people reporting an initial dose of 600mg (and 4 * 500mg, 3 * 400mg and 8 * 300mg)!

alasdair
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Yeah it's a fair point, for shits & giggles I recalculated the mean without those responses and got 148mg with a standard deviation of 47. So at the moment it is adding about 30mg onto the mean. I have added the mode to the 'quick facts' so people get a more balanced view.

Definitely not scientific, I tried to walk the line between brevity and depth to maximise participation. I think the most interesting thing so far is the lack of trend between body weight and dose. It's also interesting to see how lots of people dose between 100mg to 150mg and then a whole bunch at 200mg without much in between.
 
hey I have heart palpitations and I want to do mollys for a end of the world raves
 
hey I want to try mollys but I have heart palpitations and I have a rave to go to the end of the world rave but I don't no whats gunna happen
 
brizy said:
hey I want to try mollys but I have heart palpitations and I have a rave to go to the end of the world rave but I don't no whats gunna happen
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Keep your question to your own thread please. I have told you before, we will not give you permission to kill yourself, so please stop asking.
 
After answering this questionnaire and then looking through the results, I'm quite worried about how much I'm taking :o
 
Good idea.

I use exactly 1.5mg/kg and I have a blast every time (max 4x/year, mostly not even that.) Last time I actually had to lie down during the first part of the peak, because it felt so good :) Mental orgasms galore.
 
Yes always, sometimes 400mg first dose but like 80% of the time its a 500mg. I'm only 5"10 and weigh 10st too

Edit: If i was too use the 1.5mg/kg I should only be taking 100mg o.O
 
Adam Cecils said:
Yeah, it's crazy to see the differences. I did ponder over the axes, why would you switch them? I think the two reasons I put dose horizontally were 1) it's the longer so got more room for clarity and 2) height seems to fit naturally on the Y axis. Thanks :)
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Just generally based on drawing graphs at college. Weight tends to be put at the bottom since it's kind of independant as in you can significantly change your dose but not so much weight. It doesn't really matter though since as you said it's basically just an overview of use and not an actual scientific study and as you say it does fit better your way - if you do it my way it just spaces weight out and we can see already that dose doesnt really even correlate with mass. Although, I suppose it does support the idea that effects of mdma per unit dosage isn't body-mass dependant.

Having a closer look at the graph, people with >30 BMI do tend to consume more than those with middle 20s. Also, tiny people at <20 BMI are consuming smaller amounts, with some incredible outliers (600mg for a 17(?) BMI). BMI may be flawed (bodybuilders vs chubsters) but a greater BMI does = a greater mass per unit volume.
So yeah, would you be able to whack in a Dose vs BMI graph? Can't imagine it would be much work since you're calculating both anyway.
 
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