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Wetenschappelijk onderzoek met drugsforum input

Discussie in 'Nieuws en actualiteiten!' gestart door MacLeod, 28 mei 2019.

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  1. MacLeod

    MacLeod Admin Medewerker Beheerder

    Dat is ook wel eens leuk om te lezen... Onlangs kwam ik dit wetenschappelijk artikel tegen: https://www.sciencedirect.com/science/article/abs/pii/S0955395918303001 Hierin wordt een onderzoek beschreven waarbij gebruik is gemaakt van het minen van content van twee Nederlandse drugsforums om informatie over het gebruik van 4-FA te meten. Kan het dus zomaar zijn dat we meegedaan hebben aan wetenschappelijk onderzoek.
    :nevergonnagiveyouup:

    Abstract
    Background
    Users of new psychoactive substances including 4-fluoroamphetamine (4-FA/4-FMP) frequently share their experiences or opinions in online drug forums. We have tested the potential of computerised analysis of drug users’ forum posts for monitoring and early detection of trends. Specifically, we tested whether changes in the volume of 4-FA related posts and sentiments expressed in those posts can be observed around the time 4-FA was increasingly reported by Dutch drug monitoring sources (2012–2017).

    Methods
    Opening posts from two popular Dutch internet-based drug discussion forums, written between January 1 st, 2012 and January 1 st, 2018 were scraped: Portions of the forum posts about 4-FA were collected. To contrast 4-FA findings against other categories of forum posts, we also collected posts on two other substances (ecstasy and cocaine) and posts not related to a specific substance. Sentiments expressed in these posts were inferred using text recognition software, and analysed for trends using linear mixed modelling.

    Results
    The number of 4-FA posts increased between 2012 and 2015: 76 posts in 2012, 138 in 2013, 322 in 2014, 323 in 2015, and decreased thereafter: 264 in 2016 and 135 in 2017; X2(5) = 271.8, p < .001. Over time, a decrease in positive sentiment towards 4-FA can be observed starting in 2015, compared to the period before 2015, coinciding with more news searches and reports on adverse events related to 4-FA use. Linear mixed modelling analysis confirmed a significantly higher sentiment score in 2015 compared to 2017 for 4-FA, B = 0.062; SE = 0.023; t(1252) = 2.70; p = 0.007, but not for posts on other substances.

    Conclusion
    Changes in the volume and sentiments of forum posts coincided with news media exposure related to 4-FA and with trends observed by established drug monitoring sources. Hence, internet forum monitoring facilitates early discovery of trends in the popularity, prevalence and adverse events related to new psychoactive substances.

    Bron: https://www.sciencedirect.com/science/article/abs/pii/S0955395918303001
     
    Laatst bewerkt: 28 mei 2019
    Albedo, De Dunne, KropSla en 2 anderen vinden dit leuk.
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