Conformity to wrong beliefs about norms can have big impacts. An example: 87% of Saudi men privately agreed that they supported women working, but 70% thought other men were less supportive. When the men learned the real support, 6 month employment among their wives went up 179%.
And if you want to get an incorrect sense of norms, there is no better place to come to the wrong conclusion about what most real people believe than Twitter! (Except maybe TikTok or Facebook)

Here's the paper: home.uchicago.edu/bursztyn/Mispe…
Don’t base your hot takes about shared beliefs based on Twitter 👇

There can be real impacts!
Another example from this paper on startup networking. When men think they have an audience, they have a bias, but it vanishes in private: “making gender preference clear may offer a relatively costless first step toward minimizing the effects of audience-based gender biases.”

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More from @emollick

25 Sep
A surprisingly large part of the value of Google & other search engines is just Wikipedia.

This paper shows that Wikipedia articles appear in 67%-84% of all search engine results pages & they are the source for most “knowledge boxes” or other excerpts. nickmvincent.com/static/wikiser…
Because Wikipedia is usually used as a starting point that others expand upon, I think most people don’t realize how influential it is & how much of our world is built on it. For example, it plays a surprisingly large role in guiding the direction of scientific research 👇
Real world behavior is also strongly influenced by Wikipedia articles: Adding two paragraphs of text & nice pictures to randomly selected articles about small European cities led to an over 9% increase in hotel stays; the edits are worth $190k per year! marit.hinnosaar.net/wikipediamatte…
Read 5 tweets
21 Sep
Depressingly, a debunked theory is believed by the vast majority of teachers. The belief in Learning Styles (that some people are auditory learners, visual learners, etc) is not only wrong, it can hurt. But the research shows that when teachers learn why, they change. So, a 🧵1/
First off, there is just no evidence that teaching to a student's preferred "style" leads to any better teaching outcomes. And nobody really knows what a "learning style" is, over 71 different types have been proposed, but none help. But the belief persists for a reason... 2/
Students *think* they learn more when something matches their style... even though they objectively don’t and students don't even use their preferred styles. You may wonder, "So it doesn't work, what's the harm?"

Except we know that a belief in learning styles can hurt... 3/
Read 5 tweets
18 Sep
Blending cultures is awesome. What if Star Wars & Fahrenheit 451 were classic Russian lubok wood prints (Note samovar)? Or else Ottoman miniatures (details like the scimitar lightsaber)?

But wait, there's more! All 🇷🇺 art is by Andrey Kuznetsov & 🇹🇷 art is by @_Muratpalta 1/ ImageImageImageImage
Can you guess these? Here we have the original movie as a Russian woodblock & the sequel as a Ottoman miniature. Plus two other well-known films. 2/ ImageImageImageImage
And here is Tarantino, Ottoman miniature style. 3/ ImageImageImageImage
Read 6 tweets
8 Sep
Our intuitions about creativity are very different than reality. In this survey, most people didn't know:
🧠Group brainstorming generates less ideas than individuals working alone
📦Constraints increase creativity
👩‍👦Kids are not more creative than adults sciencedirect.com/science/articl…
Here's a thread on the myths of group brainstorming, which people keep getting wrong...
And here’s an example of how constraints can boost creativity 👇
Read 4 tweets
6 Sep
This paper poses a puzzle about what we think makes us human.

Before I give the answer, try it: You & an AI that looks like a person are in front of a human judge. You can each say only one word. The judge then kills whoever they think is the AI

What do you say? (Don’t peek)
The most common answer was “Love" but that really didn’t help the judge. The best answer was 💩

If someone said 💩 and the other said "love," judges would assume that whoever said 💩 was the human 69% of the time, and kill whoever said "love." "Banana" is also a good choice.
The graphic shows all the words given by at least one person, clustered by semantic similarity (yes, that means at least two people chose “moist” and two chose “bootylicious”). Here’s the paper: cocodev.fas.harvard.edu/publications/a…
Read 4 tweets
28 Aug
This is the second high quality study in the past week to show that incentivizing vaccines through lotteries or other rewards does NOT work. The concept is good, but it doesn’t have the desired effect.

Alternatives to mandates don’t seem to move the needle, literally.
Here’s the other study showing lotteries failed to make a difference.
These are also good examples of social science at work: nudges, lotteries, and other incentives have proven useful in many other situations, so they were reasonable to try here. And now some very impressive & rapidly-conducted studies are showing that we need to change course.
Read 5 tweets

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