- Nov 2024
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www.youtube.com www.youtube.com
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mix the artificial cells with the living cells the living cells die
for - progress trap - experiment - artificial cell coexisting with living cells - Martin Hanczyc - Michael Levin podcast
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www.youtube.com www.youtube.com
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when it comes to for example people who are deaf there's a learning curve everything has this learning curve to it but when it came to blind people understanding three-dimensional space there was Zero learning curve they immediately got it immediately
for - philosophical question - Immanuel Kant - question - can blind people detect 3D space? - Sensory substitution experiment answer is yes - Neosensory - David Eagleman
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- Aug 2024
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www.youtube.com www.youtube.com
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I'm building towards an argument here because I think that Maps into something that goes with your butterfly that human beings do and this is La Paul and transformative experience human beings go through these profound changes and right and so she gives she does the gunan experiment of people offering to turn you into a vampire which is very much like your butterfly example
for - participatory knowing - perspectival knowing - caterpillar butterfly transformation - Gunan experiment - vampire transformation - John Vervaeke - Michael Levin
insight - adjacency - caterpillar butterfly transformation - human transformation - John provides a nice adjacency / insight here, comparing human transformation as similar in kind and different by degree to Levin's caterpillar butterfly transformation - In Indyweb terminology, we are constantly creating new selves and leaving trails of our old selves behind, all to be recorded in our mindplex - This is none other than the teachings of many ancient spiritual traditions which hold that the human being is a constantly changing process, not a static thing
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- May 2024
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time.com time.com
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first known look at how a living vertebrate’s brain restructures itself as the animal forms a memory
for - neuroscience - zebrafish memory experiment
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- Mar 2024
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www.nytimes.com www.nytimes.com
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Then a remarkable finding came to light. In experiments beginning in the late 1960s, the psychologist Walter Mischel tormented preschoolers with the agonizing choice of one marshmallow now or two marshmallows 15 minutes from now. When he followed up decades later, he found that the 4-year-olds who waited for two marshmallows turned into adults who were better adjusted, were less likely to abuse drugs, had higher self-esteem, had better relationships, were better at handling stress, obtained higher degrees and earned more money.
Choice between marshmallow now or two 15 minutes later. Choose later, as related to better success in life.
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- Nov 2023
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docdrop.org docdrop.org
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you can train them it has memory you can train it you can take a a trained one and a naive one and fuse them they 00:39:24 they'll fuse together and then the memory sort of propagates and the naive one will now remember you know have the memory that that the other one had um no nerves no no brain um single cell
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for: Michael Levin - slime mold experiment, question - new theory of consciousness from a single cell
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question
- is it possible that a theory can be constructed to explain consciousness from the behavior of a single cell organism such as a slime mold?
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- Oct 2023
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sites.lsa.umich.edu sites.lsa.umich.edu
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We first examined whether it is possible to evoke auditory-visual synesthesia in non-synesthetes undergoing short-term sensorydeprivation and parameterized the features that maximize the strength of these experiences (Klüver, 1966).
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- Aug 2023
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docdrop.org docdrop.org
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others have demonstrated, for instance, Professors Haidt and Keltner, have told us that people feel small but connected to the world. And their prosocial behavior increases, because they feel an increased affinity towards others. And we've also shown in this study that people have less need for cognitive control. They're more comfortable with uncertainty without having closure.
- for: awe experiments
- Haidt and Keltner experimental results
- more prosocial
- less need to be in control
- more comfortable with uncertainty
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we recorded the brain activity of people while they're watching the performance, over 10 performances of "O," which is iconic Cirque performance.
- for: awe experiment
- experimental results
- awe upregulates
- Default Mode Network (DMN) which controls interaction to multiple brain regions, increasing:
- creative thinking
- daydreaming
- Default Mode Network (DMN) which controls interaction to multiple brain regions, increasing:
- awe downregulates executive control
- awe upregulates
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- Jan 2023
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docdrop.org docdrop.org
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**Use Page Notes to add annotation guidance.
INSTRUCTIONS - Make 5 new annotations using the prompts below and respond to 3 others. Use text, hashtags, emojis, and G-rated language. Be respectful always.
PROMPTS - Annotate the text for each of the following: 1. Main claim, and why you think so. 2. Evidence that supports the claim and what additional information would make the evidence stronger. 3. Reasoning that connects the evidence to the claim (or if it's missing). 4. Something new or surprising you learned from this paper. 5. What could be the researchers' next experiment?
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- Nov 2022
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community.interledger.org community.interledger.org
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This year my intention was to have fun, to not plan anything in advance and to just see what would emerge organically.
I believe you were able to do that precisely because you were prepared. The more you prepare, the more beneficial letting go of the plan is .
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- Oct 2022
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freakonomics.com freakonomics.com
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empirically
with a basis in or reliance on information obtained through observation
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- Jul 2022
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if we've looked at the synthetic a priori of time he also addresses the synthetic a priori of 00:15:46 space and one very interesting distinction he draws is between animals who have semi-circular canals in their heads somewhere and animals which don't now we do fishes do 00:15:58 limpets don't for an animal with semicircular canals the word this the nature of space is to have right left up down forward backwards it's to be suspended or the 00:16:11 head to move through a volumetric space that we is so familiar with us we think of that as space as simply existing an animal not so endowed with no 00:16:24 semicircular canals encounters space in an entirely different way and he discusses how space arises for something like a limpet or a paramecium so he has taken the synthetic a prioris 00:16:36 of time and space and reconsidered them in a manner appropriate to the 1920s and 30s paying keen attention to the structures and processes of the body 00:16:48 this is work that we still need to do
Uexkull also studies how animals synthetic apriori sense of space differ between species. Humans and other animals have semi-circular canals in the ear and this helps then determine forward/backwards, up/down and left/right of volumetric space. Limpets and paramecium do not have such a semi-circular canal and therefore do not sense "3 dimensional space" the way that we do.
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he's built a little toy he's built a treadmill for a snail isn't that wonderful he's a genuine scientist he's doing lots and lots of experiments with 00:11:27 animals they're very creative experiments in this case he's built a treadmill for a snail so the snail is held by a vice on a rotating ball and the snail is then um approached by 00:11:40 the investigator who chucks it under the chin like this and if you chuck the snail under the chin like this the snail will recoil not surprising i 00:11:52 would recall it as well but as you speed up the frequency of these chucks under the chin at about five hertz once you pass a frequency of about five chucks per second 00:12:05 the snail's behavior changes remarkably instead of being perturbed and trying to withdraw it tries to crawl onto onto something the qualitative nature of what's happening 00:12:18 to the snail has changed for the snail and its response or it's it's um sense making is altered and it's tried it perceives seems to perceive now a constant surface onto which it might 00:12:32 crawl now that might seem strange to you but i'll remind you that if we flash a light for you five times a second you'll see a light flashing and if we speed up the interval 00:12:44 then we shorten the interval between flashes to make them faster there comes a critical point at about 20 site flashes per second where you no longer perceive individual flashes but you 00:12:54 perceive a continuous light something like this underlies the magic that happens with moving pictures as well where you know that the action you see in the cinema is a bunch of projected still pictures 00:13:09 but they um have this character of continuous movement for you likewise in sound if we play that for you you hear a bunch of disconnected claps but if we shorten the 00:13:22 interval between the claps and speed it up there comes a point at which it changes into a continuous low pitch and that happens again about 20 hertz at about 20 cycles per second now for this snail 00:13:35 that border is at a different place it's at about five cycles per second what this shows is quite profound remember kant's synthetic a prioris 00:13:46 time for this snail is different than time for you the time that arises as a function of the body of the snail has this border at about five hertz where you have one at about 20 hertz 00:14:01 his basic insight is that worlds arise for snails that are not commensurable with worlds that arise for humans with which are not commensurable with worlds that arise for earthworms 00:14:15 the notion of an umvelt we get to determine a minute is used to describe this bodily specific arising of a world together with time and space 00:14:28 now i said it's rather weird to think of time being fundamentally different for an animal of a different constitution but i'll remind you that we can use our cinematic tricks to make ourselves aware of our own 00:14:41 limitations on the left there through high-speed photography we managed to make perceptible an event which we cannot otherwise see the event that you see there with the splash is 00:14:53 perfectly real but we can only make it manifest through high-speed photography similarly whoops there are processes going on around us 00:15:05 that we do not perceive and we can use time-lapse photography to make those to speed them up so that they become perceptible to us something like the blooming of a flower or the battles intricate battles fought 00:15:16 between brambles and hedges these make us aware that we perceive time as unfolding at a rate dictated by our own metabolism and bodily processes so this idea that time and space 00:15:32 are considered very different from count but very much tied now to the body this is quite radical
Here, the speaker, Fred Cummins, introduces us tto the synthetic apriori concepts of time explored by Uexkull.in his clever snail experiment.
By holding the snail in place on a rotating vertical wheel and stimulating the neck of the snail by touch, by speeding up the frequency of touching the snail to about 5 Hz, Uexkull was able to produce a different behavior in the snail. The snail was no longer withdrawing its neck into its shell, but tries to walk instead.
Cummins compares this unique sensing of time unique to the snail with that of humans. We perceive individual sounds and individual images as distinct as long as they occur at a frequency below approximately 20 Hz. When the frequency rises above this, we perceive it as continuous. This is how we digitize audio (moving sounds) as well as video (moving pictures), creating the illusion of continuous motion.
So we, in effect CONSTRUCT the sense of time and motion. Jay Garfield talks about how we also construct aspects of reality such as color: https://hyp.is/go?url=http%3A%2F%2Fdocdrop.org%2Fvideo%2FHRuOEfnqV6g%2F&group=world
Color and time are constructed based on the organisms specific perceptual structures. The snail constructs time differently than a human does.
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- Apr 2022
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twitter.com twitter.com
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Alex Sigal [@sigallab]. (2021, December 7). We have completed our first experiments on neutralization of Omicron by Pfizer BNT162b2 vaccination elicited immunity Manuscript available at https://sigallab.net and should be available on medRxiv in the coming days [Tweet]. Twitter. https://twitter.com/sigallab/status/1468325159501287434
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twitter.com twitter.com
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ReconfigBehSci. (2021, February 1). @MaartenvSmeden @richarddmorey 2/2 Having conducted experiments on lay understanding of arguments from ignorance, in my experience, people intuitively understand probabilistic impact of factors, such as quality of search, that moderate strength. Rather than build on that, we work against it with slogan! [Tweet]. @SciBeh. https://twitter.com/SciBeh/status/1356228495714746370
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- Mar 2022
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psyarxiv.com psyarxiv.com
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Uittenhove, K., Jeanneret, S., & Vergauwe, E. (2022). From lab-based to web-based behavioural research: Who you test is more important than how you test. PsyArXiv. https://doi.org/10.31234/osf.io/uy4kb
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- Jan 2022
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www.theguardian.com www.theguardian.com
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Spinney, L. (2022, January 9). Are we witnessing the dawn of post-theory science? The Guardian. https://www.theguardian.com/technology/2022/jan/09/are-we-witnessing-the-dawn-of-post-theory-science
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- Oct 2021
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psyarxiv.com psyarxiv.com
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Tanis, C., Nauta, F., Boersma, M., Steenhoven, M. van der, Borsboom, D., & Blanken, T. (2021). Practical behavioural solutions to COVID-19: Changing the role of behavioural science in crises. PsyArXiv. https://doi.org/10.31234/osf.io/q349k
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www.orgroam.com www.orgroam.com
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8.2 Titles and Aliases
How tf can I use this for automation?
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9 Citations
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13 The Templating System
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13.2 Org-roam Template Expansion
experiment!
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www.nature.com www.nature.com
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Dolgin, Elie. ‘The Tangled History of MRNA Vaccines’. Nature 597, no. 7876 (14 September 2021): 318–24. https://doi.org/10.1038/d41586-021-02483-w.
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- Sep 2021
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www.familyhandyman.com www.familyhandyman.com
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Just for fun, I did a little experimenting at home to show how some of these different types of cement hold up. I started by cementing a bunch of materials together with a bunch of different types of cement. I waited 24 hours, then cut each one roughly in half, down the middle.
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www.nytimes.com www.nytimes.com
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“From the culture’s point of view, Adler was a dead white male who had the bad luck to still be alive.”
This is a painful burn by the writer Alex Beam.
Perhaps worth modifying for Donald J. Trump?
From the perspective of the American experiment and the evolution of democracy, Donald J. Trump was a dead white male who had the bad luck to still be alive."
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- Aug 2021
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psyarxiv.com psyarxiv.com
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psyarxiv.com psyarxiv.com
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Jørgensen, Frederik Juhl, Alexander Bor, and Michael Bang Petersen. ‘How the Development, Features and Roll-Out of a SARS-COV-2 Vaccine Shape Public Acceptance: A Conjoint Experiment in a Large Representative Sample of Danes’. PsyArXiv, 28 June 2021. https://doi.org/10.31234/osf.io/4y8ap.
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- Jun 2021
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www.nejm.org www.nejm.org
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Dagan, Noa, Noam Barda, Eldad Kepten, Oren Miron, Shay Perchik, Mark A. Katz, Miguel A. Hernán, Marc Lipsitch, Ben Reis, and Ran D. Balicer. ‘BNT162b2 MRNA Covid-19 Vaccine in a Nationwide Mass Vaccination Setting’. New England Journal of Medicine 384, no. 15 (15 April 2021): 1412–23. https://doi.org/10.1056/NEJMoa2101765.
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Burton, J. W., Cruz, N., & Hahn, U. (2021). Reconsidering evidence of moral contagion in online social networks. Nature Human Behaviour. https://doi.org/10.1038/s41562-021-01133-5
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- May 2021
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chrismeyns.medium.com chrismeyns.medium.com
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Meyns, C. (2021, May 15). In de ban van de evenementenlobby. Medium. https://chrismeyns.medium.com/in-de-ban-van-de-evenementenlobby-46437eb12ee4
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covid-19.iza.org covid-19.iza.org
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Abel, M., Byker, T., & Carpenter, J. (2020). Socially Optimal Mistakes? Debiasing COVID-19 Mortality Risk Perceptions and Prosocial Behavior. IZA Discussion Paper, 13560.
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www.pnas.org www.pnas.org
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Kim, E., Shepherd, M. E., & Clinton, J. D. (2020). The effect of big-city news on rural America during the COVID-19 pandemic. Proceedings of the National Academy of Sciences, 117(36), 22009–22014. https://doi.org/10.1073/pnas.2009384117
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- Apr 2021
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Białek, M., & Grossmann, I. (2021). Social bias insights concern judgments rather than real-world decisions. PsyArXiv. https://doi.org/10.31234/osf.io/y3h7n
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- Mar 2021
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twitter.com twitter.com
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Maarten van Smeden. (2021, March 25). 🚨🚨NEW EVIDENCE PYRAMID🚨🚨 https://t.co/RnGfl337tD [Tweet]. @MaartenvSmeden. https://twitter.com/MaartenvSmeden/status/1375008127737851904
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www.sciencedirect.com www.sciencedirect.com
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Godinho, C. A., Yardley, L., Marcu, A., Mowbray, F., Beard, E., & Michie, S. (2016). Increasing the intent to receive a pandemic influenza vaccination: Testing the impact of theory-based messages. Preventive Medicine, 89, 104–111. https://doi.org/10.1016/j.ypmed.2016.05.025
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journals.plos.org journals.plos.org
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Gesser-Edelsburg, A., Diamant, A., Hijazi, R., & Mesch, G. S. (2018). Correcting misinformation by health organizations during measles outbreaks: A controlled experiment. PLOS ONE, 13(12), e0209505. https://doi.org/10.1371/journal.pone.0209505
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www.ncbi.nlm.nih.gov www.ncbi.nlm.nih.gov
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Gernsbacher, M. A. (2018). Three ways to make replication mainstream. The Behavioral and Brain Sciences, 41, e129. https://doi.org/10.1017/S0140525X1800064X
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www.theguardian.com www.theguardian.com
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Oltermann, P. (2020, July 20). German coronavirus experiment enlists help of concertgoers. The Guardian. https://www.theguardian.com/world/2020/jul/20/german-coronavirus-experiment-enlists-help-concertgoers-tim-bendzko
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onlinelibrary.wiley.com onlinelibrary.wiley.com
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Traczyk, J., Fulawka, K., Lenda, D., & Zaleskiewicz, T. (n.d.). Consistency in probability processing as a function of affective context and numeracy. Journal of Behavioral Decision Making, n/a(n/a). https://doi.org/10.1002/bdm.2206
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www.biorxiv.org www.biorxiv.org
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Bertana, A., Chetverikov, A., Bergen, R. S. van, Ling, S., & Jehee, J. F. M. (2020). Dual strategies in human confidence judgments. BioRxiv, 2020.09.17.299743. https://doi.org/10.1101/2020.09.17.299743
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www.poverty-action.org www.poverty-action.org
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Social Signaling and Childhood Immunization: A Field Experiment in Sierra Leone. (2018, December 10). Innovations for Poverty Action. https://www.poverty-action.org/publication/social-signaling-and-childhood-immunization-field-experiment-sierra-leone
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www.theguardian.com www.theguardian.com
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the Guardian. ‘How Modelling Covid Has Changed the Way We Think about Epidemics | Adam Kucharrski’, 4 January 2021. http://www.theguardian.com/commentisfree/2021/jan/04/covid-model-epidemic-collaboration-experiment.
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psyarxiv.com psyarxiv.com
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Moehring, A. V., Collis, A., Garimella, K., Rahimian, M., Aral, S., & Eckles, D. (2021, February 8). Surfacing norms to increase vaccine acceptance. https://doi.org/10.31234/osf.io/srv6t
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Annotators
URL
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Heroy, Samuel, Isabella Loaiza, Alexander Pentland, and Neave O’Clery. ‘Controlling COVID-19: Labor Structure Is More Important than Lockdown Policy’. ArXiv:2010.14630 [Physics], 5 November 2020. http://arxiv.org/abs/2010.14630.
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- Feb 2021
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Peyton, Kyle, Gregory A. Huber, and Alexander Coppock. “The Generalizability of Online Experiments Conducted During The COVID-19 Pandemic.” SocArXiv, November 28, 2020. https://doi.org/10.31235/osf.io/s45yg.
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psyarxiv.com psyarxiv.com
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Helland, M. S., Lyngstad, T. H., Holt, T., Larsen, L., & Røysamb, E. (2020, December 7). Effects of Covid-19 lockdown on parental functioning in vulnerable families. https://doi.org/10.31234/osf.io/nm7te
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www.sciencedirect.com www.sciencedirect.com
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van der Linden, S. (2021). The Gateway Belief Model (GBM): A review and research agenda for communicating the scientific consensus on climate change. Current Opinion in Psychology, 42, 7–12. https://doi.org/10.1016/j.copsyc.2021.01.005
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psyarxiv.com psyarxiv.com
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Perez Santangelo, A., & Solovey, G. (2020, November 9). Time to Shine: Reliable Response-Timing Using R-Shiny for Online Experiments. https://doi.org/10.31234/osf.io/nuxdg
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- Jan 2021
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www.ncbi.nlm.nih.gov www.ncbi.nlm.nih.gov
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Sadique, M. Z., Devlin, N., Edmunds, W. J., & Parkin, D. (2013). The Effect of Perceived Risks on the Demand for Vaccination: Results from a Discrete Choice Experiment. PLoS ONE, 8(2). https://doi.org/10.1371/journal.pone.0054149
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covid-19.iza.org covid-19.iza.org
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Grözinger. N., Irlenbusch ., B., Laske. K., Schröder., M (2020) Innovation and Communication Media in Virtual Teams – An Experimental Study. Institute of Labor Economics. https://covid-19.iza.org/publications/dp13218/
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- Oct 2020
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www.aeaweb.org www.aeaweb.org
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Ferraro, P. J., Miranda, J. J., & Price, M. K. (2011). The Persistence of Treatment Effects with Norm-Based Policy Instruments: Evidence from a Randomized Environmental Policy Experiment. American Economic Review, 101(3), 318–322. https://doi.org/10.1257/aer.101.3.318
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icla2020b.jonreeve.com icla2020b.jonreeve.com
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He has failed to do that
According to Erza, the results of the experiment were only half of those that were expected. It may be possible of course that this is all that took place during that night. Someone else could have been present during Franklin's 'sleep walking' phase, just like how Franklin was observed during this experiment by Erza, and took the stone when Franklin tossed it to the ground? Or perhaps this outcome goes to show a more realistic point of view, in that it would have been actually impossible to replicate the whole night entirely, and that even the fact that they were able to reproduce it to such an extend is in itself an impressive accomplishment.
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covid-19.iza.org covid-19.iza.org
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COVID-19 and the Labor Market. (n.d.). IZA – Institute of Labor Economics. Retrieved October 10, 2020, from https://covid-19.iza.org/publications/dp13595/
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covid-19.iza.org covid-19.iza.org
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COVID-19 and the Labor Market. (n.d.). IZA – Institute of Labor Economics. Retrieved October 10, 2020, from https://covid-19.iza.org/publications/dp13578/
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- Sep 2020
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twitter.com twitter.com
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Leicester UCU en Twitter: “Universities are conducting an experiment, an experiment that involves human beings (university staff and students) and a life-threatening virus. But experimental subjects must give informed consent. (That's basic research ethics.)” / Twitter. (n.d.). Twitter. Retrieved September 26, 2020, from https://twitter.com/leicesterucu/status/1309107917879156737
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www.youtube.com www.youtube.com
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Susan Athey, July 22, 2020. (2020, August 2). https://www.youtube.com/watch?v=hqTOPrUxDzM
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maxkasy.github.io maxkasy.github.io
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Kasy, M. (2020). How to run an adaptive field experiment. Retrieved from https://maxkasy.github.io/home/files/slides/adaptive_field_slides_kasy.pdf
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- Aug 2020
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osf.io osf.io
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Albertini, M., Sage, L., & Scherer, S. (2020). Intergenerational contacts and Covid-19 spread: Omnipresent grannies or bowling together? [Preprint]. SocArXiv. https://doi.org/10.31235/osf.io/exym8
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Sharkey, P., & Wood, G. (2020). The Causal Effect of Social Distancing on the Spread of SARS-CoV-2 [Preprint]. SocArXiv. https://doi.org/10.31235/osf.io/hzj7a
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www.nber.org www.nber.org
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Dave, D. M., Friedson, A. I., Matsuzawa, K., McNichols, D., & Sabia, J. J. (2020). Did the Wisconsin Supreme Court Restart a COVID-19 Epidemic? Evidence from a Natural Experiment (Working Paper No. 27322; Working Paper Series). National Bureau of Economic Research. https://doi.org/10.3386/w27322
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Akesson, J., Ashworth-Hayes, S., Hahn, R., Metcalfe, R. D., & Rasooly, I. (2020). Fatalism, Beliefs, and Behaviors During the COVID-19 Pandemic (Working Paper No. 27245; Working Paper Series). National Bureau of Economic Research. https://doi.org/10.3386/w27245
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covid-19.iza.org covid-19.iza.org
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Grözinger. N., Irlenbusch. B., Laske. K., Schröder. M., (2020). Innovation and Communication Media in Virtual Teams – An Experimental Study. Institute of Labor Economics. Retrieved from: https://covid-19.iza.org/publications/innovation-and-communication-media-in-virtual-teams-an-experimental-study/
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- Jul 2020
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osf.io osf.io
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Sevi, S., Aviña, M. M., Péloquin-Skulski, G., Heisbourg, E., Vegas, P., Coulombe, M., Arel-Bundock, V., Loewen, P. J., & Blais, A. (2020). Logarithmic vs. Linear Visualizations of COVID-19 Cases Do Not Affect Citizens’ Support for Confinement [Preprint]. SocArXiv. https://doi.org/10.31235/osf.io/h6z4f
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www.sciencedirect.com www.sciencedirect.com
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Dimant, E., van Kleef, G. A., & Shalvi, S. (2020). Requiem for a Nudge: Framing effects in nudging honesty. Journal of Economic Behavior & Organization, 172, 247–266. https://doi.org/10.1016/j.jebo.2020.02.015
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www.nature.com www.nature.com
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Arnold, Carrie. ‘Pandemic Speeds Largest Test yet of Universal Basic Income’. Nature, 10 July 2020. https://doi.org/10.1038/d41586-020-01993-3.
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DeFranza, David, Mike Lindow, Kevin Harrison, Arul Mishra, and Himanshu Mishra. ‘Religion and Reactance to COVID-19 Mitigation Guidelines’. Preprint. PsyArXiv, 14 July 2020. https://doi.org/10.31234/osf.io/ngdys.
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Frimpong, J. A., & Helleringer, S. (2020). Financial Incentives for Downloading COVID–19 Digital Contact Tracing Apps [Preprint]. SocArXiv. https://doi.org/10.31235/osf.io/9vp7x
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halperin, daniel. (2020). The Covid-19 Lockdown “Natural Experiment” That Has Already Been Conducted [Preprint]. SocArXiv. https://doi.org/10.31235/osf.io/jzhe2
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Rheault, L., & Musulan, A. (2020). Explaining Support for COVID-19 Cell Phone Contact Tracing. https://doi.org/10.31235/osf.io/8wcgz
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www.nytimes.com www.nytimes.com
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Jena, A. B., & Worsham, C. M. (2020, June 30). What Coronavirus Researchers Can Learn From Economists. The New York Times. https://www.nytimes.com/2020/06/30/upshot/coronavirus-economists-dexamethasone.html
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psyarxiv.com psyarxiv.com
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Jorrat, D. A. (2020). Recruiting experimental subjects using WhatsApp [Preprint]. PsyArXiv. https://doi.org/10.31234/osf.io/6vgec
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psyarxiv.com psyarxiv.com
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Ecker, U. K. H., Butler, L. H., Cook, J., Hurlstone, M. J., Kurz, T., & Lewandowsky, S. (2020). Using the COVID-19 Economic Crisis to Frame Climate Change as a Secondary Issue Reduces Mitigation Support [Preprint]. PsyArXiv. https://doi.org/10.31234/osf.io/zc2q8
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- Jun 2020
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15721.courses.cs.cmu.edu 15721.courses.cs.cmu.edu
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he DBMS performs the best on both the low-contention and high-contention workloads with the Oracle/MySQLand NuoDB configurations. This is because these systems’ stor-age schemes scale well in multi-core and in-memory systems, andtheirMV2PLprotocol provides comparatively higher performanceregardless of the workload contention. HYRISE, MemSQL, andHyPer’s configurations yield relatively lower performance, as theuse ofMVOCCprotocol can bring high overhead due to the read-settraversal required by the validation phase. Postgres and Hekaton’sconfigurations lead to the worst performance, and the major reasonis that the use of append-only storage withO2Nordering severelyrestricts the scalability of the system. This experiment demonstratesthat both concurrency control protocol and version storage schemecan have a strong impact on the throughput.
结论不同数据库比较
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We also observed that the performance of a MVCC DBMS istightly coupled with its GC implementation. In particular, we foundthat a transaction-level GC provided the best performance with thesmallest memory footprint. This is because it reclaims expiredtuple versions with lower synchronization overhead than the otherapproaches. We note that the GC process can cause oscillations inthe system’s throughput and memory footprint.
结论GC
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Lastly, we found that the index management scheme can alsoaffect the DBMS’s performance for databases with many secondaryindexes are constructed. The results inSect. 7.5show that logicalpointer scheme always achieve a higher throughput especially whenprocessing update-intensive workloads.
结论索引管理
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We observed that the performanceof append-only and time-travel schemes are influenced by the effi-ciency of the underlying memory allocation schemes; aggressivelypartitioning memory spaces per core resolves this problem. Deltastorage scheme is able to sustain a comparatively high performanceregardless of the memory allocation, especially when only a subsetof the attributes stored in the table is modified. But this schemesuffers from low table scan performance, and may not be a good fitfor read-heavy analytical workloads.
结论Version Storage
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Overall,we found thatMVTOworks well on a variety of workloads. Noneof the systems that we list in Table 1 adopt this protocol
结果CCP
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performance gap is enlarged to 40% with the number of secondaryindexes increased to 20.Fig. 23further shows the advantage of logi-cal pointers. The results show that for the high contention workload,the DBMS’s throughput when using logical pointers is 45% higherthan the throughput of physical pointers. This performance gapdecreases in both the low contention and high contention workloadswith the increase of number of threads
索引管理：Logical pointer更优
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The results in Fig. 22b show that under high contention, logicalpointer achieves 25% higher performance compared to physicalpointer scheme
索引管理：Logical pointer更优
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The results in Fig. 20a indicate that transaction-levelGCachievesslightly better performance than tuple-levelGCfor theread-intensive,but the gap increases to 20% inFig. 20bfor theupdate-intensiveworkload. Transaction-level GC removes expired versions in batches,thereby reducing the synchronization overhead. Both mechanismsimprove throughput by 20–30% compared to when GC is disabled.Fig. 21 shows that both mechanisms reduce the memory usage
GC：不同level比较2
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The results in Fig. 18 show thatCOOPachieves 45% higherthroughput compared toVACunder read-intensive workloads. InFig. 19, we see thatCOOPhas a 30–60% lower memory footprintper transaction thanVAC. Compared toVAC,COOP’s performanceis more stable, as it amortizes the GC overhead across multiplethreads and the memory is reclaimed more quickly. For both work-loads, we see that performance declines over time when GC isdisabled because the DBMS traverses longer version chains to re-trieve the versions. Furthermore, because the system never reclaimsmemory, it allocates new memory for every new version.
GC：不同level比较
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the append-only and time-travel schemes’performance is stable regardless of the number of modified attributes.As expected, the delta scheme performs the best when the numberof modified attributes is small because it copies less data per version.But as the scope of the update operations increases, it is equivalentto the others because it copies the same amount of data per delta
Version Storage比较modified attributes
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We use transaction-level background vacuuming GC andcompare the orderings using two YCSB workload mixtures. We setthe transaction length to 10. We fix the number of DBMS threads to40 and vary the workload’s contention level.
Version Chain Ordering: N2O vs O2N
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We use theYCSBworkload mixtures inthis experiment, but the database is changed to contain a singletable with 10 million tuples, each with one 64-bit primary key and avariable number of 100-byte non-inlineVARCHARtype attributes. Weuse theread-intensiveandupdate-intensiveworkloads under lowcontention (θ=0.2) on 40 threads with each transaction executing 10operations. Each operation only accesses one attribute in a tuple.
Version Storage: 标准setup
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MVOCCis more likely to abortNewOrdertransactions, whereas thePaymentabort rate inMV2PLis 6.8×higher thanNewOrdertransactions. These two transactionsaccess the same table, and again the optimistic protocols only de-tect read conflicts inNewOrdertransactions in the validation phase.SI+SSNachieves a low abort rate due to its anti-dependency track-ing, whereasMVTOavoids false aborts because the timestampassigned to each transaction directly determines their ordering
TPC-C：比较
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MVOCCincurs wastedcomputation because it only detects conflicts in the validation phase.
TPC-C: MVOOC still sucks
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there is not a great difference among the protocols exceptMV2PL; they handle write-write conflicts in a similar way and againmulti-versioning does not help reduce this type of conflicts
MV2PL: WW Conflict
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Beyond this contention level, the performanceofMVOCCis reduced by∼50%. This is becauseMVOCCdoesnot discover that a transaction will abort due to a conflict until afterthe transaction has already executed its operations. There is nothingabout multi-versioning that helps this situation.
MVOCC: reduced performance
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TPC-C:This benchmark is the current standard for measuring theperformance of OLTP systems [43]. It models a warehouse-centricorder processing application with nine tables and five transactiontypes. We modified the original TPC-C workload to include a newtable scan query, calledStockScan, that scans theStocktable andcounts the number of items in each warehouse. The amount of con-tention in the workload is controlled by the number of warehouses
Benchmark: TPC-C -- nine tables & five transaction types
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YCSB:We modified the YCSB [14] benchmark to model differ-ent workload settings of OLTP applications. The database containsa single table with 10 million tuples, each with one 64-bit primarykey and 10 64-bit integer attributes. Each operation is independent;that is, the input of an operation does not depend on the output ofa previous operation. We use three workload mixtures to vary thenumber of reads/update operations per transaction: (1)read-only(100%reads), (2)read-intensive(80%reads, 20%updates), and(3)update-intensive(20%reads, 80%updates). We also vary thenumber of attributes that operations read or update in a tuple. Theoperations access tuples following a Zipfian distribution that is con-trolled by a parameter (θ) that affects the amount of contention (i.e.,skew), whereθ=1.0 is the highest skew setting.
Benchmark：YCSB -- 独立操作，三个workloads
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For each trial, we execute the workload for 60 seconds to let theDBMS to warm up and measure the throughput after another 120seconds. We execute each trial five times and report the averageexecution time.
标准
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We execute all transactions as storedprocedures under theSERIALIZABLEisolation level
实验用的最高isolation level
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psyarxiv.com psyarxiv.com
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Kitamura, S., & Yamada, K. (2020). Social Comparisons and Cooperation During COVID-19 [Preprint]. PsyArXiv. https://doi.org/10.31234/osf.io/rsbmz
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Cinus, F., Bonchi, F., Monti, C., & Panisson, A. (2020). Generating Realistic Interest-Driven Information Cascades. Proceedings of the International AAAI Conference on Web and Social Media, 14, 107–118.
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Falco, P., & Zaccagni, S. (2020). Promoting social distancing in a pandemic: Beyond the good intentions [Preprint]. Open Science Framework. https://doi.org/10.31219/osf.io/a2nys
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psyarxiv.com psyarxiv.com
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Sjåstad, H., Teigen, K. H., & Van Bavel, J. J. (2020, June 5). The best-case heuristic in risk prediction: Hopes and fears in a global health pandemic (COVID-19). https://doi.org/10.31234/osf.io/pcj4f
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jamanetwork.com jamanetwork.com
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Cheng, H.-Y., Jian, S.-W., Liu, D.-P., Ng, T.-C., Huang, W.-T., Lin, H.-H., & for the Taiwan COVID-19 Outbreak Investigation Team. (2020). Contact Tracing Assessment of COVID-19 Transmission Dynamics in Taiwan and Risk at Different Exposure Periods Before and After Symptom Onset. JAMA Internal Medicine. https://doi.org/10.1001/jamainternmed.2020.2020
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psyarxiv.com psyarxiv.com
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Lunn, P. D., Timmons, S., Julienne, H., Belton, C., Barjaková, M., Lavin, C., & McGowan, F. P. (2020). Using Decision Aids to Support Self-Isolation During the COVID-19 Pandemic [Preprint]. PsyArXiv. https://doi.org/10.31234/osf.io/fngx5
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- May 2020
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featuredcontent.psychonomic.org featuredcontent.psychonomic.org
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Mickes, L. (2020, April 2). A recipe for moving your physical lab to the online lab. Psychonomic Society Featured Content. https://featuredcontent.psychonomic.org/a-recipe-for-moving-your-physical-lab-to-the-online-lab/
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Battiston, P., Kashyap, R., & Rotondi, V. (2020, May 11). Trust in science and experts during the COVID-19 outbreak in Italy. https://doi.org/10.31235/osf.io/5tch8
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psycnet.apa.org psycnet.apa.org
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Schauer, J. M., & Hedges, L. V. (2020). Assessing heterogeneity and power in replications of psychological experiments. Psychological Bulletin. Advance online publication. https://doi.org/10.1037/bul0000232
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Mandel, D. R., Collins, R. N., Risko, E. F., & Fugelsang, J. A. (2020). Effect of Confidence Interval Construction on Judgment Accuracy. https://doi.org/10.31234/osf.io/mktgj
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onlinelibrary.wiley.com onlinelibrary.wiley.com
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Smelter, T. J., & Calvillo, D. P. (2020). Pictures and repeated exposure increase perceived accuracy of news headlines. Applied Cognitive Psychology, acp.3684. https://doi.org/10.1002/acp.3684
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psyarxiv.com psyarxiv.com
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Du, H., Chen, A., Chi, P., & King, R. B. (2020, May 7). Income Inequality Reduces Civic Honesty. https://doi.org/10.31234/osf.io/upm47
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Jones, P. J., & McNally, R. J. (2020). Does broadening one’s concept of trauma undermine resilience? [Preprint]. PsyArXiv. https://doi.org/10.31234/osf.io/5ureb
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Pescetelli, N., Rutherford, A., Kao, A., & Rahwan, I. (2020). Pescetelli_et_al_Collective learning in news consumption. https://doi.org/10.31234/osf.io/w6nc5
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psyarxiv.com psyarxiv.com
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Capraro, V., & Barcelo, H. (2020). The effect of messaging and gender on intentions to wear a face covering to slow down COVID-19 transmission [Preprint]. PsyArXiv. https://doi.org/10.31234/osf.io/tg7vz
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psyarxiv.com psyarxiv.com
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Goldberg, M., Gustafson, A., Maibach, E., Ballew, M. T., Bergquist, P., Kotcher, J., … Leiserowitz, A. (2020, April 20). Mask-wearing increases after a government recommendation: A natural experiment in the U.S. during the COVID-19 pandemic. https://doi.org/10.31234/osf.io/uc8nz
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psyarxiv.com psyarxiv.com
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Prinzing, M., De Freitas, J., & Fredrickson, B. (2020). The lay concept of a meaningful life: The role of subjective and objective factors in attributions of meaning [Preprint]. PsyArXiv. https://doi.org/10.31234/osf.io/6sx4t
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teicat.huma-num.fr teicat.huma-num.fr
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The Toolbox lets you
Test - What is the toolbox useful for.
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URL
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www.yorkshirepost.co.uk www.yorkshirepost.co.uk
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First “Mass Observation” experiment since World War Two as lockdown diaries project is launched. (n.d.). Retrieved May 5, 2020, from https://www.yorkshirepost.co.uk/heritage-and-retro/heritage/first-mass-observation-experiment-world-war-two-lockdown-diaries-project-launched-2553717
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dl.acm.org dl.acm.org
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Epstein, Z., Pennycook, G., & Rand, D. (2020). Will the Crowd Game the Algorithm? Using Layperson Judgments to Combat Misinformation on Social Media by Downranking Distrusted Sources. Proceedings of the 2020 CHI Conference on Human Factors in Computing Systems, 1–11. https://doi.org/10.1145/3313831.3376232
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misinforeview.hks.harvard.edu misinforeview.hks.harvard.edu
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Dias, N., Pennycook, G., & Rand, D. G. (2020). Emphasizing publishers does not effectively reduce susceptibility to misinformation on social media. Harvard Kennedy School Misinformation Review, 1(1). https://doi.org/10.37016/mr-2020-001
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Wahn, B., & Kingstone, A. (2020, April 30). Sharing task load with artificial – yet human-like – co-actors. https://doi.org/10.31234/osf.io/2am8y
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www.tandfonline.com www.tandfonline.com
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Kotcher, J. E., Myers, T. A., Vraga, E. K., Stenhouse, N., & Maibach, E. W. (2017). Does Engagement in Advocacy Hurt the Credibility of Scientists? Results from a Randomized National Survey Experiment. Environmental Communication, 11(3), 415–429. https://doi.org/10.1080/17524032.2016.1275736
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- Apr 2020
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www.pnas.org www.pnas.org
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Bles, A. M. van der, Linden, S. van der, Freeman, A. L. J., & Spiegelhalter, D. J. (2020). The effects of communicating uncertainty on public trust in facts and numbers. Proceedings of the National Academy of Sciences, 117(14), 7672–7683. https://doi.org/10.1073/pnas.1913678117
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marlin-prod.literatumonline.com marlin-prod.literatumonline.com
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Murray, A. (2020). The easy way is hard enuff. Harvard. DOI: 10.1016/j.cub.2020.04.013
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- Feb 2020
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marxdown.github.io marxdown.github.io
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Robinson Crusoe’s experiences are a favourite theme with political economists
Marx refers to the thought experiment, common in economics, which is sometimes called Robinson Crusoe economics.
Doing "Robinson Crusoe economics" consists in imagining what can be learned, if anything, from a one agent economy that will provide insight into a real world economy with lots of agents.
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- Nov 2019
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geoffcain.com geoffcain.com
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I have been looking for something like this for years.
This is a test of the experimental version of Hypothesis that does not open and cover the window by default. I want to add this functionality to my blog because I am looking for more feedback on this blog and I am hoping that there are more people out there interested in annotating the web.
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URL
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- May 2019
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www.research.manchester.ac.uk www.research.manchester.ac.uk
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Genomic DNA Preparation: Genomic DNA, used as a template for PCR, was isolated from approximately 20 wild-type flies. Flies were added to 125ul Homogenisation buffer (200mM sucrose, 100mM Tris-HCl pH 8.0, 50mM EDTA, 0.5% SDS) and ground using a pestle. The mixture wasthen incubated at 67°C for 10mins. Subsequently, 1.5M KAc was added and incubated on ice for 10mins, followed by DNA extraction using an equal volume of phenol chloroform. The mixture was centrifuged at 16,000g and the DNA precipitated using 0.3M NaAc andethanol. The DNA pellet was then resuspended in 25μl of TE with 25ug RNaseA. PCR:Unless otherwise stated, all PCR reactions were performed using Phusion High Fidelity DNA Polymerase (NEB). PCR reactions were carried out at either 20μl or 50μl with the following reaction setup: 1x GC or HF Buffer, 200μM dNTPs, 0.5 μM of both primers, 1 Unit of Phusion and a maximum of 200ng of DNA. Thermocycling conditions used were as per the manufacturers instructions with a minimum of 35 PCR cycles at an elongation rate of 30s/kb at 72°C. Elongation time was adjusted as appropriate for the PCR product. Where necessary Tm was optimised using gradient PCR. All PCR reactions were performed on a BIO-RAD T100 Thermal Cycler. Both PCR purification and Gel extraction were performed using the NucleoSpin Gel & PCR Clean up kit (Macherey-Nagel), as per the manufacturers instructions. Unless otherwise specified, all primers used in this thesis were designed using NCBI’s Primer-BLAST, selecting against any primers or primer pairs that would produce unspecific products (Ye et al., 2012).
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Molecular Biology Protocols
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Experimental Methods
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- Aug 2018
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intarch.ac.uk intarch.ac.uk
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Open to Exploration
Internet Archaeology is trialling a new feature by Hypothes.is which enables everyone to make annotations on journal content. To get started, just select any text in any article and add your annotation for everyone to see (Annotations are public by default but highlights are private, visible only to you when you’re logged in to your Hypothes.is account). You can even share your annotations on social media,
Try this for more info https://web.hypothes.is/blog/varieties-of-hypothesis-annotations-and-their-uses/
I'm interested to see how everyone uses it!
Tags
Annotators
URL
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intarch.ac.uk intarch.ac.uk
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Internet Archaeology is trialling a new feature by Hypothes.is which enables everyone to make annotations on journal content. To get started, just select any text in any article and add your annotation for everyone to see (Annotations are public by default but highlights are private, visible only to you when you’re logged in to your Hypothes.is account). You can even share your annotations on social media,
Try this for more info https://web.hypothes.is/blog/varieties-of-hypothesis-annotations-and-their-uses/
I'm interested to see how everyone uses it!
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- Dec 2017
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www.scienceintheclassroom.org www.scienceintheclassroom.org
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To determine whether the Aβ toxicity–limiting effects of p38γ were tau-dependent, we crossed APP23.p38γ−/− with tau−/− mice.
The basic question for Fig. 2: Is the protective effect that p38y has against Amyloid beta toxicity only seen in mice that have tau proteins. Experiments were ran on mice that had various combinations of p38y and tau.
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To test whether p38γ−/− augments Aβ-induced deficits, we crossed p38γ−/− with Aβ-forming APP23 mice.
Fig 1 C-J experiments are testing to see if the abscence of p38y increases amyloid beta deficiets. Mice that have amyloid beta deficets were bred with mice that did not have p38y kinase. Amyloid beta - forming APP23 mice have amyloid beta induced deficits.
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We used mice with individual deletion of p38α, p38β, p38γ, or p38δ
Each mouse had one isoform of the p38 kinase eliminated from its cellular biology. All other forms are present.
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To understand the roles of p38 kinases in AD, we induced excitotoxic seizures with pentylenetetrazole (PTZ), an approach widely used for studying excitotoxicity in AD mouse models
The basic goal of the research was to understand the role of p38 kinases in AD mice. The experiment used mice that were made to have excitotoxic seizures through injection of pentylenetetrazole (PTZ). Injection of PTZ has been used in the past to study excitotoxicity in AD mice models.
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- Jan 2017
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static1.squarespace.com static1.squarespace.com
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prospective interviewee,
Just a side spiel: In terms of an interviewee and data, everything really is data. I'll be interviewing freshmen next semester with other SLU students and some things I have already told the group to take note of in notebooks (ha ha) are the different responses the interviewee gives. In a way, the sad little freshmen turn into our experiment. Everyone in the group records a different response. These responses include the obvious oral responses, body language, and tone of voice.
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- Dec 2016
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Written by rchase, feel free to edit. It's an experiment.
Since I took the notes using hypothesis, the password to edit is hypothesis.
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URL
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- Sep 2016
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scienceintheclassroom.org scienceintheclassroom.org
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EDA (ectodysplasin A)
This is a protein involved in cell signalling between two layers of skin (ectoderm and mesoderm) , which is especially important in embryo formation.
This allows the formation of hair follicles, sweat glands, and teeth.
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- May 2016
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smgprojects.github.io smgprojects.github.io
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all editions
6600 files were downloaded; 333 files appear to be these missing editions with the placeholder text. I have not yet manually verified all of this... which is partly the point, right?
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each text file
6267 print editions, from 1893 - 2010
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.75 range
that is, from .72 to .9. They all have the same placeholder text, but the quality of the ocr makes some consistent errors, which is interesting.
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- Jan 2016
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www.tolerance.org www.tolerance.org
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After some classroom experimentation, a more specific list of smart technology use criteria emerged
As we transform the "HOW" of what we do to support schools, encouraging safe fail experimentation will be important. The design process supports this and iteration consists of success and failure.
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This template essentially encouraged the participating teachers to do—and document—action research.
I think this "formalizing" of teacher and student experimentation is really important. Ensuring that this newfound knowledge (for better or worse) is shared with colleagues is pivotal.
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