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> Surely there's a "control" shipping lane somewhere that was cleaner to begin with or never cleaned up. Isn't the shipping lane the "treatment" group and ever
by lesuorac 1y ago
> Surely there's a "control" shipping lane somewhere that was cleaner to begin with or never cleaned up.
Isn't the shipping lane the "treatment" group and everywhere else in the world the "control" group?
Like we administered x mg of sulfer to the patient and they saw y outcome while patients not receiving sufler saw z outcome. When we stopped administering sulfer all patients saw z outcome seems to be isolating sulfer as causing y.
- jjk166 1y ago> Like we administered x mg of sulfer to the patient and they saw y outcome while patients not receiving sufler saw z outcome. When we stopped administering sulfer all patients saw z outcome seems to be isolating sulfer as causing y. There is a reason we use placebos for control groups.
- lesuorac 1y agoUh, there's no requirement to use placebos or a control group. For example, covid just uses a treatment group and considers the rest of the world as control. https://pmc.ncbi.nlm.nih.gov/articles/PMC9124157/ https://pmc.ncbi.nlm.nih.gov/articles/PMC9124157/
- ethanwillis 1y agoCan you explain the reason?
- Scarblac 1y agoOtherwise the sky may realize it's in the control group.
- ethanwillis 1y agoI'm more interested in the reason the OP had in mind. I don't think it's required that you have a placebo control group, but the OP might have a reason in mind that's something I haven't considered.