Christopher Chabris
@cfchabris.bsky.social
Cognitive scientist, professor, author 'Nobody's Fool' (http://bit.ly/3Wm7rCa) & 'The Invisible Gorilla,' essayist, chess master, poker player, game lover
Reposted by Christopher Chabris
In time for the @pennchibe.bsky.social meeting, our paper about how the number of alternatives influences physician decision-making.
#MedSky #BehaviouralScience
jamanetwork.com/journals/jam...
#MedSky #BehaviouralScience
jamanetwork.com/journals/jam...
Multiple Suggested Care Alternatives and Decision-Making of PCPs
This randomized clinical trial investigates whether providing primary care physicians (PCPs) with 1 vs 2 or more appropriate treatment alternatives in a choice set has an effect on the odds that they ...
jamanetwork.com
November 14, 2025 at 2:33 AM
In time for the @pennchibe.bsky.social meeting, our paper about how the number of alternatives influences physician decision-making.
#MedSky #BehaviouralScience
jamanetwork.com/journals/jam...
#MedSky #BehaviouralScience
jamanetwork.com/journals/jam...
An important set of ideas to counter the growing burden of fraudulent scientific publications:
royalsocietypublishing.org/doi/10.1098/...
royalsocietypublishing.org/doi/10.1098/...
Reformation of science publishing: the Stockholm Declaration | Royal Society Open Science
Science relies on integrity and trustworthiness. But scientists under career pressure are lured to purchase fake publications from ‘paper mills’ that use AI-generated data, text and image fabrication. The number of low-quality or fraudulent publications ...
royalsocietypublishing.org
November 6, 2025 at 4:27 AM
An important set of ideas to counter the growing burden of fraudulent scientific publications:
royalsocietypublishing.org/doi/10.1098/...
royalsocietypublishing.org/doi/10.1098/...
Reposted by Christopher Chabris
Very happy that our paper is officially out at Management Science! Ever wondered if on-the-job experience can mitigate ubiquitous behavioral biases? Well, wonder no more...
With amazing serial co-authors
@cfchabris.bsky.social and @michellemeyer.bsky.social
pubsonline.informs.org/doi/10.1287/...
With amazing serial co-authors
@cfchabris.bsky.social and @michellemeyer.bsky.social
pubsonline.informs.org/doi/10.1287/...
The Effect of On-the-Job Experience on Base-Rate Neglect: Evidence from Medical Professionals | Management Science
pubsonline.informs.org
October 15, 2025 at 8:25 PM
Very happy that our paper is officially out at Management Science! Ever wondered if on-the-job experience can mitigate ubiquitous behavioral biases? Well, wonder no more...
With amazing serial co-authors
@cfchabris.bsky.social and @michellemeyer.bsky.social
pubsonline.informs.org/doi/10.1287/...
With amazing serial co-authors
@cfchabris.bsky.social and @michellemeyer.bsky.social
pubsonline.informs.org/doi/10.1287/...
Reposted by Christopher Chabris
Psychology research finds people are often overconfident. Open questions in that work that were addressed in a cool paper studying tournament chess players. My latest for @psychtoday.bsky.social with a shout-out to @cfchabris.bsky.social and Daniel Simons.
www.psychologytoday.com/us/blog/ulte...
www.psychologytoday.com/us/blog/ulte...
Using Chess to Study Overconfidence
A new study on chess players explored people's overconfidence in a domain with clear measures of performance and the opportunity for people to get feedback.
www.psychologytoday.com
September 24, 2025 at 5:41 PM
Psychology research finds people are often overconfident. Open questions in that work that were addressed in a cool paper studying tournament chess players. My latest for @psychtoday.bsky.social with a shout-out to @cfchabris.bsky.social and Daniel Simons.
www.psychologytoday.com/us/blog/ulte...
www.psychologytoday.com/us/blog/ulte...
Reposted by Christopher Chabris
Most people are overconfident even in the face of extensive, objective performance feedback: "Overconfidence persists in tournament chess, a real-world information environment that should be inhospitable to it." pubmed.ncbi.nlm.nih.gov/40808249/
August 17, 2025 at 4:37 PM
Most people are overconfident even in the face of extensive, objective performance feedback: "Overconfidence persists in tournament chess, a real-world information environment that should be inhospitable to it." pubmed.ncbi.nlm.nih.gov/40808249/
"The Creativity Choice," a new book by @z-i-pringle.bsky.social, should be a great read for anyone interested in putting creative impulses and ideas into practice!
www.hachettebookgroup.com/titles/dr-zo...
www.hachettebookgroup.com/titles/dr-zo...
The Creativity Choice
A “groundbreaking” (Marc Brackett) correction to the myth that creativity is a trait that you’re born with—instead, a Yale scientist proves, creativi...
www.hachettebookgroup.com
August 5, 2025 at 12:25 AM
"The Creativity Choice," a new book by @z-i-pringle.bsky.social, should be a great read for anyone interested in putting creative impulses and ideas into practice!
www.hachettebookgroup.com/titles/dr-zo...
www.hachettebookgroup.com/titles/dr-zo...
I'm very happy that Pedram Heydari, @michellemeyer.bsky.social, and I have published our study on the internal inconsistencies in the choices that laypeople and medical clinicians make about rationing scarce treatments (such as ventilators and drugs during the Covid pandemic).
Medical rationing choices of laypeople and clinicians are often illogical and inconsistent with their own stated preferences
The sudden onset, rapid spread, and later surges of the Covid-19 pandemic resulted in shortages of ventilators, pharmaceuticals, and other critical resources, leaving individual clinicians to make rat...
dx.plos.org
May 27, 2025 at 9:28 PM
I'm very happy that Pedram Heydari, @michellemeyer.bsky.social, and I have published our study on the internal inconsistencies in the choices that laypeople and medical clinicians make about rationing scarce treatments (such as ventilators and drugs during the Covid pandemic).
At Geisinger we have created a new team to conduct and publish rigorous evaluations of important health system initiatives, programs, and interventions. I'm one of the faculty co-directors of this group and I'm happy to say we have two new positions open! (1/2)
May 14, 2025 at 12:25 AM
At Geisinger we have created a new team to conduct and publish rigorous evaluations of important health system initiatives, programs, and interventions. I'm one of the faculty co-directors of this group and I'm happy to say we have two new positions open! (1/2)
Clay Shirky on the impact of generative AI on learning: "As with calculators, there will be many tasks where automation is more important than user comprehension, but for student work, a tool that improves the output but degrades the experience is a bad tradeoff."
www.chronicle.com/article/is-a...
www.chronicle.com/article/is-a...
www.chronicle.com
May 11, 2025 at 12:33 AM
Clay Shirky on the impact of generative AI on learning: "As with calculators, there will be many tasks where automation is more important than user comprehension, but for student work, a tool that improves the output but degrades the experience is a bad tradeoff."
www.chronicle.com/article/is-a...
www.chronicle.com/article/is-a...
Reposted by Christopher Chabris
Reposted by Christopher Chabris
Today is the day! The Creativity Choice is out! Starting to see pictures in the wild. Some book bites in my latest newsletter. That I hope get people wanting to come for more:
open.substack.com/pub/creativi...
open.substack.com/pub/creativi...
The Creativity Choice is OUT!
Today is publication day for a very long project; it translates the science of what comes between an idea and the finished product, to help you get from there to here.
open.substack.com
May 6, 2025 at 11:35 PM
Today is the day! The Creativity Choice is out! Starting to see pictures in the wild. Some book bites in my latest newsletter. That I hope get people wanting to come for more:
open.substack.com/pub/creativi...
open.substack.com/pub/creativi...
If you want to work with me and an amazing team of behavioral scientists and other colleagues on improving health decisions, please consider joining our group at Geisinger as a staff scientist!
We’re hiring! tinyurl.com/GeisingerBIT Geisinger’s Behavioral Insights Team is looking for a new Staff Scientist. We conduct large pragmatic trials of behavioral science-informed interventions to improve health outcomes, with work published/forthcoming in Nature Hum Behav, PNAS, JAMA Netw Open 1/2
tinyurl.com
May 6, 2025 at 8:54 PM
If you want to work with me and an amazing team of behavioral scientists and other colleagues on improving health decisions, please consider joining our group at Geisinger as a staff scientist!
I had a great time talking last week with fellow cognitive scientist and chess master @drcanchess.bsky.social, and you can watch the whole thing! (or listen on Can's "The Chess Cognition Podcast" on your favorite podcast platform)
It was an honor to host world-renowned cognitive scientist and NM Prof. Chris Chabris @cfchabris.bsky.social to explore what cognitive science teaches us about chess thinking.
www.youtube.com/watch?v=Ag8a...
www.youtube.com/watch?v=Ag8a...
What Cognitive Science Says About Chess Thinking with Prof. Christopher Chabris
YouTube video by Dr. Can's Chess Clinic
www.youtube.com
May 3, 2025 at 5:41 PM
I had a great time talking last week with fellow cognitive scientist and chess master @drcanchess.bsky.social, and you can watch the whole thing! (or listen on Can's "The Chess Cognition Podcast" on your favorite podcast platform)
A lot to reflect on in this must-read essay by Jason Zweig about the surprising (or not surprising) death of Daniel Kahneman.
Essay | The Last Decision by the World’s Leading Thinker on Decisions
Shortly before Daniel Kahneman died last March, he emailed friends a message: He was choosing to end his own life in Switzerland. Some are still struggling with his choice.
www.wsj.com
March 15, 2025 at 9:39 PM
A lot to reflect on in this must-read essay by Jason Zweig about the surprising (or not surprising) death of Daniel Kahneman.
An accurate description and perceptive lament of just one way needless academic paperwork keeps on piling up.
www.chronicle.com/article/were...
www.chronicle.com/article/were...
Opinion | We’re Demanding Way Too Many Documents From Job Candidates
The humanities job market is broken, but there’s one thing we can easily fix.
www.chronicle.com
February 16, 2025 at 2:09 AM
An accurate description and perceptive lament of just one way needless academic paperwork keeps on piling up.
www.chronicle.com/article/were...
www.chronicle.com/article/were...
Rooting out scientific fraud and deception is one of the most important things scientists can do. Finally, an authoritative guide!
Friends, I have written you a book on forensic metascience.
It is free. You can have it. Happy St. Valentine's Day.
If you wish to give me a gift back, you can use it to cause trouble - the greatest gift of all.
open.substack.com/pub/jamescla...
It is free. You can have it. Happy St. Valentine's Day.
If you wish to give me a gift back, you can use it to cause trouble - the greatest gift of all.
open.substack.com/pub/jamescla...
I Have Written You A Book On Forensic Metascience
Use it to cause trouble
open.substack.com
February 16, 2025 at 1:57 AM
Rooting out scientific fraud and deception is one of the most important things scientists can do. Finally, an authoritative guide!
A fun 2020 paper by @itaiyanai.bsky.social and Martin Lercher found that many students who were given a data set to analyze, along with specific questions to answer about it, failed to notice that a scatterplot of the points formed an image of a gorilla. But can AI models spot the gorilla? ...
February 9, 2025 at 7:26 PM
A fun 2020 paper by @itaiyanai.bsky.social and Martin Lercher found that many students who were given a data set to analyze, along with specific questions to answer about it, failed to notice that a scatterplot of the points formed an image of a gorilla. But can AI models spot the gorilla? ...
I've been waiting for the answer to this question for a long time, but if I could have just one wish, it would be for people to stop mixing their large mammal business metaphors by saying "that's the invisible gorilla in the room."
www.youtube.com/watch?v=aGEH...
www.youtube.com/watch?v=aGEH...
The Elephant in the Room vs The Invisible Gorilla. Who wins?
YouTube video by BVOLVR (Become. Evolve. Excel)
www.youtube.com
January 20, 2025 at 10:09 PM
I've been waiting for the answer to this question for a long time, but if I could have just one wish, it would be for people to stop mixing their large mammal business metaphors by saying "that's the invisible gorilla in the room."
www.youtube.com/watch?v=aGEH...
www.youtube.com/watch?v=aGEH...
Reposted by Christopher Chabris
The Harvard Effect: www.forbes.com/sites/jonath... @cfchabris.bsky.social
The Harvard Effect
A new study of over 26,000 influential U.S. people shows that a disproportionate number of them attended Harvard University.
www.forbes.com
December 9, 2024 at 6:13 PM
The Harvard Effect: www.forbes.com/sites/jonath... @cfchabris.bsky.social
Pleased to see that the Yale Peabody Museum has included the invisible gorilla (by @profsimons.bsky.social and me) in their new exhibit on perception, attention, and memory! Other museums that have exhibited our work: American Museum of Natural History, Exploratorium, Wellcome Collection, & MONA.
Peabody Museum opens new neuroscience exhibit
The exhibition, entitled “Mind/Matter: The Neuroscience of Perception, Attention and Memory,” explores the history of neuroscience and the wonders of human cognition.
yaledailynews.com
December 6, 2024 at 1:41 AM
Pleased to see that the Yale Peabody Museum has included the invisible gorilla (by @profsimons.bsky.social and me) in their new exhibit on perception, attention, and memory! Other museums that have exhibited our work: American Museum of Natural History, Exploratorium, Wellcome Collection, & MONA.
Reposted by Christopher Chabris
I'm thrilled that our paper on base-rate neglect (BRN) and on-the-job experience (w/ @cfchabris.bsky.social and @michellemeyer.bsky.social) was just accepted at Management Science!
TLDR: on-the-job experience with base-rate type problems mitigates, but does not eliminate, base-rate neglect.
1/7
TLDR: on-the-job experience with base-rate type problems mitigates, but does not eliminate, base-rate neglect.
1/7
November 23, 2024 at 2:37 PM
I'm thrilled that our paper on base-rate neglect (BRN) and on-the-job experience (w/ @cfchabris.bsky.social and @michellemeyer.bsky.social) was just accepted at Management Science!
TLDR: on-the-job experience with base-rate type problems mitigates, but does not eliminate, base-rate neglect.
1/7
TLDR: on-the-job experience with base-rate type problems mitigates, but does not eliminate, base-rate neglect.
1/7
Our department at the Geisinger Research Institute is adding a group of great new faculty members!
Thrilled to welcome 3 new faculty members to Geisinger's Department of Bioethics & Decision Sciences: Stephanie Kraft, @byrdnick.com & @katesaylor.bsky.social. Looking forward to seeing them continue their great work. You can read more about the department here: www.geisinger.edu/gchs/researc....
July 15, 2024 at 2:08 PM
Our department at the Geisinger Research Institute is adding a group of great new faculty members!
If you haven't yet bought my amazing book w/ @profsimons.bsky.social on how fraud, scams, and cheating really work, now you have no excuse. Amazon has lowered the Kindle price to $3.99, but who knows how long that will last, so don't wait to get a copy!
www.amazon.com/Nobodys-Fool...
www.amazon.com/Nobodys-Fool...
Amazon.com: Nobody's Fool: Why We Get Taken In and What We Can Do about It eBook : Simons, Daniel, Chabris, Christopher: Kindle Store
Amazon.com: Nobody's Fool: Why We Get Taken In and What We Can Do about It eBook : Simons, Daniel, Chabris, Christopher: Kindle Store
www.amazon.com
July 3, 2024 at 11:01 PM
If you haven't yet bought my amazing book w/ @profsimons.bsky.social on how fraud, scams, and cheating really work, now you have no excuse. Amazon has lowered the Kindle price to $3.99, but who knows how long that will last, so don't wait to get a copy!
www.amazon.com/Nobodys-Fool...
www.amazon.com/Nobodys-Fool...
How well do people know their own social abilities? Patrick Heck, Matt Brown, and I ran two studies (total N=927) that revealed a surprising pattern: a negative relationship between people's self-rated skill and actual performance for social ability.
swisspsychologyopen.com/articles/10....
swisspsychologyopen.com/articles/10....
April 22, 2024 at 1:50 PM
How well do people know their own social abilities? Patrick Heck, Matt Brown, and I ran two studies (total N=927) that revealed a surprising pattern: a negative relationship between people's self-rated skill and actual performance for social ability.
swisspsychologyopen.com/articles/10....
swisspsychologyopen.com/articles/10....
Reposted by Christopher Chabris
on Daniel Kahneman: what a profound loss. he was an intellectual giant, and as close to the platonic ideal of a scientist as one can hope to see in this life. i’ll add to the enormous pile of anecdotes people have shared with 3 of my own that hopefully convey what an enormous influence he had.
March 30, 2024 at 6:06 AM
on Daniel Kahneman: what a profound loss. he was an intellectual giant, and as close to the platonic ideal of a scientist as one can hope to see in this life. i’ll add to the enormous pile of anecdotes people have shared with 3 of my own that hopefully convey what an enormous influence he had.