1/ Still angry at that person who was upset that covid tests return positive on applesauce. This is a true smoothbrain response, from someone who has never once investigated how measurement works. It's almost logically impossible to measure the qualia of a thing.
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10/ you are now asking me to defend the test I decline that's not my point / my goal - I was merely attacking one criticism of it as smoothbrainhttps://twitter.com/metadiogenes/status/1339222638649020418 …
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11/ ok, this is a coherent response, and thank you for it! ...but I disagree. All tests are imperfect. No gas tank meter works in 0 g. No ammeter works under a junkyard electromagnet. It is good that tests are "defective", bc "perfect" costs $∞ https://twitter.com/poutinecurd/status/1339258041406001161 …
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If one can test positive from a swab taken soon after eating applesauce, this still seems like a weakness in the test.
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can one? that's not what was demonstrated
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Or perhaps the test is correct. “An apple(sauce) a day keeps the doctor away, and everyone else for a 2 week quarantine”
Thanks. Twitter will use this to make your timeline better. UndoUndo
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Same for measurements. We rarely directly measure anything. At best, we’re just measuring against an index. Scientific testing is usually separated by another step or two from a direct. Measuring X, which correlates to Y but is not Y. It’s all subject to interference.
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me: > It's almost logically impossible to measure the qualia of a thing. you: > Same for measurements. uh...yes
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So do we have confidence that whatever perturbing factors were disrupting the measurement mechanism in the case of applesauce are not operating more broadly? Why in particular does the test fail here? Why do we believe it's appropriately sensitive in its intended use?
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Also, an old brewer's maxim: "if you don't like the temperature of your mash, move the thermometer"
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Wow. You convinced me that an imperfect test for a virus doesn’t mean the virus doesn’t exist, or ‘is an op’. What’s this got to do with real critiques of how the test is actually being used, e.g. ‘CDC says if the 7-day positivity rate is >X per 100k, schools shouldn’t open’?
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I mean, I get you’re angry that someone on the internet thinks it’s bad a test in widespread use to trigger disruptive policies has dumb false positives. I guess that’s one hill to die on. Me, I’m angry my kids will miss a year of school or more for dumb reasons.
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