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The same thing was true for cigarettes - even before all of the major studies came out lots of people were able to put together the obvious connection between smoking and lung problems.
Earlier quoted context omitted.
Author obviously has a conflict of interest. He fails to acknowledge that correlation is not causation and that these studies fail to take into account other variables that could influence the outcomes.
I don’t think you’re using conflict of interest correctly. You’re saying here the author has secondary motives, such as being sponsored by an anti-weed org or something, which they would have to disclose in their own section (as per basic academic standards). You might want to instead if you want to criticize the research say the authors clearly have a personal agenda or bias.
My issue with this study is they based it around IQ points. I feel like IQ is a very bad measure of cognitive ability outside of determining if someone is competent of not. And the fact that it only went down by a mean of 5.5, I feel like that small of a decline could be attributed to someone just having a bad day or being a little groggy when they took the IQ test. Had the measured brain waves or brain activity it w…
How does your theory explain that the results were particular to certain sub-groups? That is, the 5 point decline was only associated with long-term cannabis users.
(Is your theory that long-term cannabis users are more likely to "have a bad day or be a little groggy"? That would explain the sub-group difference, but it seems pretty similar to the author's results.)
This is a huge effect size especially in the tails. I wish the article talked about the control groups though. I predict a number of addicts will be triggered by this research. We saw the same effect when we found that even light drinking is measurably harmful. If your first reaction is to get upset and defensive there’s a good chance that you have a problem.
This is a huge effect size especially in the tails. I wish the article talked about the control groups though. I predict a number of addicts will be triggered by this research. We saw the same effect when we found that even light drinking is measurably harmful. If your first reaction is to get upset and defensive there’s a good chance that you have a problem.
Look at the sample sizes and the demographics ( https://imgur.com/a/LG5vVMF ) of the groups the study ( https://moffittcaspi.trinity.duke.edu/sites/moffittcaspi.tri... ) compares. Also look at the publication bias of the first author ( https://scholar.google.com/citations?view_op=list_works&hl=e... ).
if you mean the very small mean iq difference at baseline, that is hardly a significant concern, here especially in a longitudinal design. As far as publication bias, do you mean expert in his/her field?
What's that? '. Their cognitive decline may have altered employment opportunities for which they were qualified, but they were in no way demented. Yet.' Who writes like that? Also I have insomnia and ADHD and I'm pretty sure weed does help and allowed me to do more not less. Without it I'm super tired already at Thursday. And yes I lived long enough without it and it was like this before my weed use not after.
If you're of the hyperactive type I could possibly see some benefits? As an inattentive and non-hyperactive type it's hard for me to imagine weed helping very much.
This is not a primary source of anything related to psychology. This site is article marketing for people in the mental health field. The primary motivation of the author's is to self promotion.
You might say that article is, in many ways, a puff piece.
I think there's a ton of self deception when it comes to marijuana use. I mean, look with your own eyes and you can clearly see lots of long-term negative effects on users. The studies are only proving what we all really already know. The same thing was true for cigarettes - even before all of the major studies came out lots of people were able to put together the obvious connection between smoking and lung problems.
Now that it's legal peoples' objectives have shifted and it's now ok to talk about it. It's a literal example of the stupidity in human psychology.
People don't use logic to make conclusions about the world, they use logic to justify their conclusions so they can fulfill their objectives.
Very hard to find a person who does cannabis on a daily basis and is also fully on board with the fact that cannabis causes cognitive decline.