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To be worth using, a detector needs not only (A) not get very many false positives, but also (B) get…
Everything you say is true, but what is the alternative? I don’t think people are advocating a return to in-class…
The discussion here assumes an institutional context where returning to supervised in-person assessment is at least theoretically feasible, a reasonable…
Cyber security professional here -reliably determining when a computational artifact (file, etc.) was created is *hard*. This is sorta why…
Agreed with the other commentator. It is extremely unlikely that Pangram’s success is due to its cheating by reading metadata.
I see this question as a bit naïve. There is metadata on every document created by a modern word processor…
There’s a simple way to test. Open a pre-2022 essay and copy-and-paste it into a new file.
…in this town in Italy. [Link now fixed.] Strikingly, symptomatic and asymptomatic patients had similar viral loads on their systems. All patients cleared the virus from their bodies in roughly 8-13 days.
The NY Times reports that half of 1100 sailors on an infected Navy ship are asymptomatic, although it's not clear how many of those might still show symptoms:
https://www.nytimes.com/2020/04/19/world/europe/france-navy-ship-coronavirus.html
I think nearly 20% of infected people on the Diamond Princess were asymptomatic, although the demographic there surely skews older.
Given that the symptomatic/asymptomatic issue is going to become a political football, it is probably important to pay attention to definitions. They defined symptomatic as "fever and/or cough".
Also, no children were infected. I assumed that the China data indicating this was because the kids were asymptomatic, but it looks like they really didn't get infected. This is important because we have closed schools assuming that kids would be their usual infectious selves.
Robert Lee said: "Also, no children were infected. I assumed that the China data indicating this was because the kids were asymptomatic, but it looks like they really didn't get infected. This is important because we have closed schools assuming that kids would be their usual infectious selves.". I think this is a little misleading. The study involved testing ca 2500 people, and finding (on one set of tests) 73 positives and then later, on the second set, 29 positives. So we are dealing with a relatively low number of people tested in each age group, and a relatively low number of positive tests. Hard to draw conclusions for people in any age band from that limited data. Also, children were infected, just not in the 0-10 age group.
Various other studies and reports from around the world show children (of all ages) do get infected, although at lower rates, and are less likely to develop severe illness. I think it's hard to draw obvious lessons about the wisdom of school closings because when schools close, far more happens (or doesn't happen) than just that children don't meet in class.
True enough, and yes the numbers are a bit small (there is about a 1% chance of getting a zero for that age group with a 1.7% overall infection rate). However, my point is the children are not just at a lower risk for serious complications but also a lower risk for spread, which is quite atypical. That, presumably, will impact decisions about opening schools in the fall.
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