Browse posts by tag: empiricism is my "rationality" tag

Nov 19, 2018 in Model, Philosophy

Against Novelty Culture

So, there’s this thing that happens in certain intellectual communities, like (to give a totally random example) social psychology. This thing is that novel takes are rewarded. New insights are rewarded. Figuring out things that no one has before is rewarded. The high-status people in such a community are the ones who come up with and disseminate many new insights.

On the face of it, this is good! New insights are how we get penicillin and flight and Pad Thai burritos. But there’s one itty bitty little problem with building a culture around it.

Good (and correct!) new ideas are a finite resource.

This isn’t news. Back in 2005, John Ioannidis laid out the case for “most published research findings” being false. It turns out that when you have a small chance of coming up with a correct idea even using statistical tests for to find false positives can...

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Dec 17, 2017 in Advice, Model

Improvement Without Superstition

When you make continuous, incremental improvements to something, one of two things can happen. You can improve it a lot, or you can fall into superstition. I’m not talking about black cats or broken mirrors, but rather humans becoming addicted to whichever steps were last seen to work, instead of whichever steps produce their goal.

I’ve seen superstition develop first hand. It happened in one of the places you might least expect it – in a biochemistry lab. In the summer of 2015, I found myself trying to understand which mutants of a certain protein were more stable than the wildtype. Because science is perpetually underfunded, the computer that drove the equipment we were using was ancient and frequently crashed. Each crash wiped out an hour or two of painstaking, hurried labour and meant we had less time to use the instrument...

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