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On the Existence of Powerful Natural Languages - Gwern.net
Modified "Language.page", Added "docs/culture/1983-wolfe-thecitadeloftheautarch-thejustman.page"
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29 days ago by edan
2017 news - Gwern.net
Modified "newsletter/2017/13.page"
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29 days ago by edan
The Algernon Argument - Gwern.net
Modified "Drug-heuristics.page", Modified "Redirects.hs", Deleted "docs/psychology/2005-patrick-handbookpsychopathy.pdf"
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29 days ago by edan
Flaws in mainstream science and psychology [Dual N-Back FAQ]
A summary of the problems with current scientific research in all aspects.

---
Also see http://lesswrong.com/lw/g13/against_nhst , "A summary of standard non-Bayesian criticisms of common frequentist statistical practices, with pointers into the academic literature."
research  gwern 
6 weeks ago by mx_psi
Are Sunk Costs Fallacies? - Gwern.net
But to what extent is the sunk cost fallacy a real fallacy?
Below, I argue the following:
1. sunk costs are probably issues in big organizations
- but maybe not ones that can be helped
2. sunk costs are not issues in animals
3. sunk costs appear to exist in children & adults
- but many apparent instances of the fallacy are better explained as part of a learning strategy
- and there’s little evidence sunk cost-like behavior leads to actual problems in individuals
4. much of what we call sunk cost looks like simple carelessness & thoughtlessness
ratty  gwern  analysis  meta-analysis  faq  biases  rationality  decision-making  decision-theory  economics  behavioral-econ  realness  cost-benefit  learning  wire-guided  marginal  age-generation  aging  industrial-org  organizing  coordination  nature  retention  knowledge  iq  education  tainter  management  government  competition  equilibrium  models  roots  chart 
8 weeks ago by nhaliday
www.gwern.net
Added "docs/rl/2017-arulkumaran.pdf", Added "docs/sociology/1940-thorndike-144smallercities.djvu"
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11 weeks ago by edan
www.gwern.net
Modified "images/logo.png"
gwern  spike 
12 weeks ago by edan
Dual N-Back FAQ - Gwern.net
Modified "DNB-FAQ.page", Modified "RNN-metadata.page", Modified "Statistical-notes.page", Modified "Tanks.page", Modified "docs/sociology/1987-rossi.page"
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november 2017 by edan
www.gwern.net
Added "docs/rl/1963-michie.pdf", Added "docs/rl/1982-michie.pdf", Added "docs/rl/1991-gardner-ch8amatchboxgamelearningmachine.pdf"
gwern  spike 
november 2017 by edan
Embryo selection for intelligence - Gwern.net
Modified "Embryo-selection.page", Added "docs/iq/1990-hunter.pdf"
gwern  spike 
november 2017 by edan
Archiving-URLs - Gwern.net
Modified "Archiving-URLs.page", Modified "Creatine.page", Modified "DNB-FAQ.page", Modified "Spaced-repetition.page", Modified "Tanks.page", Modified "The-Melancholy-of-Subculture-Society.page", Modified "Tool-AI.page", Modified "newsletter/2014/07.page"
gwern  spike 
november 2017 by edan
www.gwern.net
Added "docs/genetics/correlation/2015-pettersson.pdf", Added "docs/genetics/selection/2017-murray.pdf", Added "docs/sr/2017-ladegaard-2.pdf"
gwern  spike 
november 2017 by edan

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