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Gabriel S. Jacobs
@gsjphd.bsky.social
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en.wikipedia.org/wiki/Muphry'...
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Gabriel S. Jacobs@gsjphd.bsky.social |
626 followers 379 following 4420 posts
Paleontologist. Educator. Big galoot. Bespoke homemade opinions. (he/him) Arthropod enthusiast, echino-curious. Eamus Catuli, illegitimi non carborundum.
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Gabriel S. Jacobs
@gsjphd.bsky.social
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en.wikipedia.org/wiki/Muphry'...
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Gabriel S. Jacobs
@gsjphd.bsky.social
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Muphry's Law claims another victim
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Gabriel S. Jacobs
@gsjphd.bsky.social
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I'm sure you design perfectly fine models for processing X-ray scattering data. But you just insisted I was being overly constraining by saying that researchers should define their hypotheses before collecting data, to avoid the one being tainted by the other. That's a very basic misunderstanding.
1 replies 0 reposts 0 likes
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Gabriel S. Jacobs
@gsjphd.bsky.social
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a few years back a Trump supporter said that Trump should send all the illegals to Brazil because Bolsonaro is a nationalist (not a globalist) just like Trump and will therefore do him a favor and take them in, and that reasoning still haunts me a bit.
1 replies 0 reposts 5 likes
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Gabriel S. Jacobs
@gsjphd.bsky.social
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begging you to actually read a paper for once instead of making up weird strawmen to beat.
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Gabriel S. Jacobs
@gsjphd.bsky.social
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I guess it's technically okay to collect data before formulating hypotheses so long as you absolutely 100% do NOT look at them, but even that's iffy. If you do a 1-tailed t-test but pick which tail AFTER you collect your data, you've really done a 2-tailed t-test (but falsely halved your p-value).
1 replies 0 reposts 1 likes
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Gabriel S. Jacobs
@gsjphd.bsky.social
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Why am I not surprised that the guy who defends p-hacking (because if you get a statistically significant result, that means you Did A Science!) and wants to use machines to discover "emergent knowledge" (read as: take the output of a black box at face value)... ...is also in favor of data snooping
1 replies 0 reposts 2 likes
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Gabriel S. Jacobs
@gsjphd.bsky.social
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I'm sorry, your actual position here is that nobody should ever give an actual *answer* to their research question...because it might deter students from trying to replicate/build on the study? I don't think you know how experimental design works, OR how students think.
1 replies 0 reposts 0 likes
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Gabriel S. Jacobs
@gsjphd.bsky.social
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can't believe you're posting about unimportant things like this when there are people in the world launching a hate campaign against mayonnaise
0 replies 0 reposts 1 likes
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Gabriel S. Jacobs
@gsjphd.bsky.social
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Yeah, this is more like "Doctor, not Mister" from someone with an honorary doctorate.
1 replies 0 reposts 2 likes
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Gabriel S. Jacobs
@gsjphd.bsky.social
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baronet(te)
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Gabriel S. Jacobs
@gsjphd.bsky.social
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broke: pushing for ranked-choice-instant-runoff to allow 3rd parties to run candidates w/o fear of spoiler effects joke: 3rd parties recruiting candidates for local elections to build a party infrastructure & flip Congressional seats bespoke: vanity Presidential runs by antivaxxers every 4 years
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Gabriel S. Jacobs
@gsjphd.bsky.social
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Counterpoint: Sheriff Bart (also Professor is the office rather than the person; Professor Lee in a personal rather than professional capacity would be Dr. Lee)
0 replies 0 reposts 3 likes
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Gabriel S. Jacobs
@gsjphd.bsky.social
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bad guys: helmets with full-face coverage and fixed visors good guys: helmets with a chin strap that leave the face open from this we can conclude that it is a war between bicyclists and motorcyclists
0 replies 0 reposts 6 likes
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Gabriel S. Jacobs
@gsjphd.bsky.social
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I really don't care that you spotted an obvious problem with a different paper. You think the author of the paper we're discussing should have introduced an obvious problem into the analysis, you missed the obvious problem in the paper you cited against it, and you see nothing wrong with this.
1 replies 0 reposts 1 likes
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Gabriel S. Jacobs
@gsjphd.bsky.social
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You have a critical eye for analysis? Cool, I've got a green thumb. Still doesn't change the fact that your complaint about Hough was that she didn't throw a bunch of other random variables (some of which are strongly correlated, causing pseudoreplication!) into an analysis that doesn't need them.
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Gabriel S. Jacobs
@gsjphd.bsky.social
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not like anyone needs me to tell them this but it's absolutely wild that "some folks need killing" is coming out of the mouth of a black man in the south
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Gabriel S. Jacobs
@gsjphd.bsky.social
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...that paper is indeed just plotting X=X, but what does that have to do with kitchen sink regressions? This is unrelated to your complaint about Hough or my critique of it.
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Gabriel S. Jacobs
@gsjphd.bsky.social
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Rather than throw every possible orbital variable in until something pings p<0.05, here's the responsible way to do things: A. Identify a specific variable (or combination) with a mechanistic explanation for why it would have an effect & test it, or B. Add a penalty to models based on # of variables
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Gabriel S. Jacobs
@gsjphd.bsky.social
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Simple isn't necessarily inferior! Not only are you demanding a bunch of additional tests beyond the scope of the research question, but you want it to be a kitchen sink regression. If you throw enough terms into that analysis, eventually you'll find ONE that correlates by random chance. p-hacking!
1 replies 0 reposts 1 likes
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Gabriel S. Jacobs
@gsjphd.bsky.social
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I mentioned anti-vaxxers elsewhere because you're demanding an impossible and arbitrarily narrow standard for experimental evidence, just as they do. Now you're trying to use that to distract from the text you referenced contradicting your position. By the way, those predictions HAVE been tested.
1 replies 0 reposts 1 likes
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Gabriel S. Jacobs
@gsjphd.bsky.social
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he slipped off it onto the floor probably gonna blame the upholstery smdh
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Gabriel S. Jacobs
@gsjphd.bsky.social
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I'm done expecting anything better from any DSA organization after their national leadership failed to clear the "don't endorse race-murder and ethnic cleansing" bar a year ago
0 replies 1 reposts 7 likes
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Gabriel S. Jacobs
@gsjphd.bsky.social
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"instigating" they're talking about the time a Communist burned down the Reichstag I think
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Matt Bracken
@brackenlab.bsky.social
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Biding their time. At low tide, the voracious sea stars retreat to a wave-washed surge channel, but their high-tide ferocity is evident in the bare zone on the shore above them. 🌊⭐️🍽️ #MarineLife #Invertebrate 🦑🌿
1 replies 7 reposts 37 likes
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Gabriel S. Jacobs
@gsjphd.bsky.social
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stealing this for the classroom
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Gabriel S. Jacobs
@gsjphd.bsky.social
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the green socks!
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Gabriel S. Jacobs
@gsjphd.bsky.social
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Dr. Gee isn't saying what you think he says. His point in that excerpt is that proposed explanations for patterns in earth history must make *testable predictions* in order to be evaluated, and are just-so stories otherwise. Again, I refer you back to the end-K ammonites.
1 replies 0 reposts 1 likes
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Gabriel S. Jacobs
@gsjphd.bsky.social
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You're too much! You've highlighted the word "experiments" because of your insistence that anything not involving recreating something in a laboratory is "guesswork". What's the full phrase? "hypotheses or experiments that can be tested"
2 replies 0 reposts 1 likes
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Gabriel S. Jacobs
@gsjphd.bsky.social
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Will you actually READ the paper instead of repeating someone else's opinions from a forum? What's the rationale for breaking it down by subduction zone other than to p-hack? The authors don't have an explanation for why the slight correlations they found are all to different parts of the cycle.
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Gabriel S. Jacobs
@gsjphd.bsky.social
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can confirm! a real conversation I had while updating my address on file recently: "And the city is Weehawken? I feel like I've heard of it somewhere..." "Probably in The Lorax, by Dr. Seuss. The Onceler gives directions to his relatives: 'turn left at Weehawken, sharp right at South Stitch.'"
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Gabriel S. Jacobs
@gsjphd.bsky.social
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wait, is that Howling Laud Hope himself? kinda looks like his Wikipedia picture
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Gabriel S. Jacobs
@gsjphd.bsky.social
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assuming based on the yellow-and-black ribbon and general air of wackiness that they are from the Official Monster Raving Loony Party
1 replies 0 reposts 4 likes
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Micah
@rincewind.run
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regardless of what you think of America there are a lot of good people here worth fighting for, and that’s what I’m going to hold onto regardless of what happens in November and those people are worth celebrating
24 replies 115 reposts 820 likes
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Gabriel S. Jacobs
@gsjphd.bsky.social
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Shoot, there was another President who walked with a cane and once famously used said cane to beat the snot out of a would-be assassin. (He did a lot of other stuff too but let's not get into that right now.)
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Gabriel S. Jacobs
@gsjphd.bsky.social
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*see if it breaks in an interesting way 🤨
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Gabriel S. Jacobs
@gsjphd.bsky.social
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We've got millennia of philosophy and jurisprudence in our own tradition, and the average promoter of "Judeo-Christian values" is maybe dimly aware of Maimonides if that.
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Sarah Tuttle
@niais.bsky.social
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Just a reminder that "Judeo-christian" values are just way to blame Jews for Christian nationalism, and just because they steal the Torah doesn't make us belief buddies. Judeo-christian values are just Christian values in fancy dress.
4 replies 44 reposts 172 likes
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Gabriel S. Jacobs
@gsjphd.bsky.social
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in North Minehead?
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Gabriel S. Jacobs
@gsjphd.bsky.social
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He does one hell of a voice-over.
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Al Petterson
@eyelessgame.bsky.social
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It really is a weird symmetry that this year the UK elections are the 4th of July and the US elections are the 5th of November.
12 replies 218 reposts 702 likes
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Gabriel S. Jacobs
@gsjphd.bsky.social
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he pulled a JJJ and swapped out the toothbrush moustache for a pencil moustache but he's not fooling anyone
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Gabriel S. Jacobs
@gsjphd.bsky.social
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You know what, after what Belgica and Diamesa get up to I 100% believe chironomids are doing weird things there too.
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Gabriel S. Jacobs
@gsjphd.bsky.social
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When you take measurements to see if an effect exists and you measure no effect, you report "no effect". You don't write down "well maaaybe there IS an effect and we just missed it"; you report the results you actually *get*. This is special pleading at this point. Embarrassing.
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Gabriel S. Jacobs
@gsjphd.bsky.social
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You dismiss all of Earth history as "guesswork" (what are you, a YEC?) because we rock-lickers can't fit an entire planet into a laboratory. (Same goes for astrophysics, I imagine?) What you lack the imagination and creativity to see is that the entire planet IS our laboratory.
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Gabriel S. Jacobs
@gsjphd.bsky.social
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You perform an experiment in the lab. Before collecting the data, you formulate null and alternative hypotheses and make a prediction based on the experimental conditions. THEN you collect your data and test the hypotheses. The only difference is that the experimental procedure ran 66 Ma.
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Gabriel S. Jacobs
@gsjphd.bsky.social
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You have no idea how empiricism actually works, huh? Listen here and listen good: in the case of the end-K ammonites there's no need to *reproduce* those conditions experimentally, because the data being gathered are FROM the actual (natural) experiment.
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Gabriel S. Jacobs
@gsjphd.bsky.social
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Yeah, the individual plates that make up sea star skeletons can preserve decently well, but they're held so loosely together that they tend to disarticulate pretty quickly after death. Any time you find one that's still in one piece, it's pretty cool!
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Gabriel S. Jacobs
@gsjphd.bsky.social
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Often these kinds of discoveries involve rapid mineralization immediately after burial, as in the Beecher's (pyrite), Orsten (phosphate/silica), and Walcott-Rust (calcite) deposits. But here, the preservation is physical not chemical, as soft ash formed impressions of the appendages & mouthparts.
0 replies 0 reposts 3 likes
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Gabriel S. Jacobs
@gsjphd.bsky.social
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I'm still excitedly telling everyone I know about the Trilobite Pompeii paper. Any time we learn more about the soft-tissue anatomy of trilobites is pretty cool in my book. I don't think any of the authors are on this hellsite, sadly.
3 replies 4 reposts 12 likes