Igor Grossmann, PhD
@igi.bsky.social
Professor of psychology. Study culture and societal change, wisdom, good judgment (and lack thereof), forecasting, and new methods. Forecasting Collaborative founder | 🇺🇦🇩🇪🇺🇸🇨🇦 Psych Inquiry Editor. igorgrossmann.com OnWisdompodcast.com
Why you’re wise on Tuesday and foolish on Sunday: Practising #wisdom in uncertain times - a brief sunday read & a mild rant against "one trick" gurus & substakers. theconversation.com/why-youre-wi... @theconversation.com
Why you’re wise on Tuesday and foolish on Sunday: Practising wisdom in uncertain times
Wisdom fluctuates. New longitudinal evidence suggests wise reasoning is a trainable toolkit —not a trait — and repeated distanced self-reflection can strengthen it in daily life.
theconversation.com
January 4, 2026 at 3:01 PM
Why you’re wise on Tuesday and foolish on Sunday: Practising #wisdom in uncertain times - a brief sunday read & a mild rant against "one trick" gurus & substakers. theconversation.com/why-youre-wi... @theconversation.com
Can we predict the past? 🔮
New open-access paper in American Historical Review proposes 'Retrodiction'—using gaps in the archival record to test historical theories.
Interdisciplinary collab feat. David Gill, Marc Trachtenberg, Phil Tetlock, Cendri Hutcherson, and more 🧵👇
New open-access paper in American Historical Review proposes 'Retrodiction'—using gaps in the archival record to test historical theories.
Interdisciplinary collab feat. David Gill, Marc Trachtenberg, Phil Tetlock, Cendri Hutcherson, and more 🧵👇
December 30, 2025 at 2:59 PM
Can we predict the past? 🔮
New open-access paper in American Historical Review proposes 'Retrodiction'—using gaps in the archival record to test historical theories.
Interdisciplinary collab feat. David Gill, Marc Trachtenberg, Phil Tetlock, Cendri Hutcherson, and more 🧵👇
New open-access paper in American Historical Review proposes 'Retrodiction'—using gaps in the archival record to test historical theories.
Interdisciplinary collab feat. David Gill, Marc Trachtenberg, Phil Tetlock, Cendri Hutcherson, and more 🧵👇
🚨 New Paper Alert 🚨 "Understanding & Predicting Cultural Change" is accepted at Advances in Experimental Social Psychology!
Varnum & I argue that Psychology cannot afford to be blind to time. We need to move from cross-sectional snapshots to dynamic time-series movies. 🧵👇
Varnum & I argue that Psychology cannot afford to be blind to time. We need to move from cross-sectional snapshots to dynamic time-series movies. 🧵👇
December 29, 2025 at 4:21 PM
🚨 New Paper Alert 🚨 "Understanding & Predicting Cultural Change" is accepted at Advances in Experimental Social Psychology!
Varnum & I argue that Psychology cannot afford to be blind to time. We need to move from cross-sectional snapshots to dynamic time-series movies. 🧵👇
Varnum & I argue that Psychology cannot afford to be blind to time. We need to move from cross-sectional snapshots to dynamic time-series movies. 🧵👇
International students: Were you told "no" to Waterloo recently due to recruitment bans? The door just swung back open. 🚪🔓
Canada just launched the Impact+ Research Training Awards (CIRTA), and my lab is looking for the best global talent to join us. (1/4)
Canada just launched the Impact+ Research Training Awards (CIRTA), and my lab is looking for the best global talent to join us. (1/4)
December 19, 2025 at 11:23 PM
International students: Were you told "no" to Waterloo recently due to recruitment bans? The door just swung back open. 🚪🔓
Canada just launched the Impact+ Research Training Awards (CIRTA), and my lab is looking for the best global talent to join us. (1/4)
Canada just launched the Impact+ Research Training Awards (CIRTA), and my lab is looking for the best global talent to join us. (1/4)
Wrapping up the year feeling very grateful for the brilliant team at the Wisdom & Culture Lab (plus alumni!). End-of-term outing to Toronto’s St. Lawrence Market + the Distillery District—great convos, great company, great snacks. Happy Holidays! 🎓✨🍁
December 13, 2025 at 11:52 PM
Wrapping up the year feeling very grateful for the brilliant team at the Wisdom & Culture Lab (plus alumni!). End-of-term outing to Toronto’s St. Lawrence Market + the Distillery District—great convos, great company, great snacks. Happy Holidays! 🎓✨🍁
Are you curious about the results of our #wisdomturingtest? Want to find out who was the AI? If so, tune-in to the second part of the ON WISDOM podcast on the "Wisdom Turing Test," with the amazing @steverathje.bsky.social : onwisdompodcast.fireside.fm/67
#TuringTest #ChineseRoom #AIsycophancy
#TuringTest #ChineseRoom #AIsycophancy
LinkedIn
This link will take you to a page that’s not on LinkedIn
lnkd.in
November 17, 2025 at 10:53 PM
Are you curious about the results of our #wisdomturingtest? Want to find out who was the AI? If so, tune-in to the second part of the ON WISDOM podcast on the "Wisdom Turing Test," with the amazing @steverathje.bsky.social : onwisdompodcast.fireside.fm/67
#TuringTest #ChineseRoom #AIsycophancy
#TuringTest #ChineseRoom #AIsycophancy
Excited to talk about the #dangers to #science panel on Thursday and to see old and new RSC friends in MTL this week!
In partnership with @umontreal.ca, @hec.ca & @polymtl.bsky.social, we invite you to join us for the RSC’s national conference, the 2025 RSC Celebration of Excellence and Engagement from November 12 to 16 in Montréal. ✨ Register here: bit.ly/COEE2025
November 11, 2025 at 10:06 PM
Reposted by Igor Grossmann, PhD
Wisdom isn’t about what you think; it’s about how you think. It’s using a set of mental tools. On this week’s episode of How God Works, we explore the science behind wisdom with @igi.bsky.social and take a look at modern & centuries old ways of cultivating it. www.howgodworks.org/podcast/seas...
November 4, 2025 at 1:30 PM
Wisdom isn’t about what you think; it’s about how you think. It’s using a set of mental tools. On this week’s episode of How God Works, we explore the science behind wisdom with @igi.bsky.social and take a look at modern & centuries old ways of cultivating it. www.howgodworks.org/podcast/seas...
Enjoyed talking to David Cooper on The Last Show about how to make wise choices @dtcooper.bsky.social podcasts.apple.com/ca/podcast/i...
Igor Grossmann: Making Wise Choices - October 31, 2025
Podcast Episode · The Last Show with David Cooper · 2025-11-01 · 11m
podcasts.apple.com
November 3, 2025 at 3:35 PM
Enjoyed talking to David Cooper on The Last Show about how to make wise choices @dtcooper.bsky.social podcasts.apple.com/ca/podcast/i...
Very much enjoyed joining
@daviddesteno.bsky.social on his podcast. I think its the first time the classic contemplative practices are juxtaposed with modern wisdom science. Tune in!
@daviddesteno.bsky.social on his podcast. I think its the first time the classic contemplative practices are juxtaposed with modern wisdom science. Tune in!
What does it mean to be wise? How do you become so? On today's episode, we explore the science of wisdom with Igor Grossmann (@igi.bsky.social) & see how some Christian traditions developed exercises for it long ago with
@bostoncollege.bsky.social Fr. Bart Geger podcasts.apple.com/us/podcast/h...
@bostoncollege.bsky.social Fr. Bart Geger podcasts.apple.com/us/podcast/h...
November 2, 2025 at 2:35 PM
Very much enjoyed joining
@daviddesteno.bsky.social on his podcast. I think its the first time the classic contemplative practices are juxtaposed with modern wisdom science. Tune in!
@daviddesteno.bsky.social on his podcast. I think its the first time the classic contemplative practices are juxtaposed with modern wisdom science. Tune in!
My colleague Falk Lieder and I are hiring a new post-doc at UCLA to join the #WiseJudgementConsortium. The ad is here: recruit.apo.ucla.edu/JPF10650
Postdoctoral Scholar
University of California, Los Angeles is hiring. Apply now!
recruit.apo.ucla.edu
October 31, 2025 at 8:30 PM
My colleague Falk Lieder and I are hiring a new post-doc at UCLA to join the #WiseJudgementConsortium. The ad is here: recruit.apo.ucla.edu/JPF10650
Share your thoughts who is an Ai and who is wiser here: docs.google.com/forms/d/e/1F...
Can you pass the #WisdomTuringTest?
Can you pass the #WisdomTuringTest?
October 30, 2025 at 9:43 PM
Share your thoughts who is an Ai and who is wiser here: docs.google.com/forms/d/e/1F...
Can you pass the #WisdomTuringTest?
Can you pass the #WisdomTuringTest?
Ever heard of the #Wisdom #TuringTest? I thought of creating one for the new #OnWisdom #postcast episode. This is a special episode & I want your help. Tune in: onwisdompodcast.fireside.fm/66
The Wisdom Turing Test - Part One
What happens when we ask our own fantastic listeners — and AI — what it means to live wisely? In this episode, Igor and Charles hand the mic to members of the On Wisdom audience to hear their answers ...
onwisdompodcast.fireside.fm
October 27, 2025 at 9:23 PM
Ever heard of the #Wisdom #TuringTest? I thought of creating one for the new #OnWisdom #postcast episode. This is a special episode & I want your help. Tune in: onwisdompodcast.fireside.fm/66
Research can feel like shouting into the void. I’m deeply grateful that Emma Buchtel, Xu Jingya, & Betul Turel built on our “wise reasoning” work to tackle cultural diversity. They presented a large-scale study proposal at the 2025
@psychscience.bsky.social Global Summit. #culturaldiversity
@psychscience.bsky.social Global Summit. #culturaldiversity
October 27, 2025 at 2:54 PM
Research can feel like shouting into the void. I’m deeply grateful that Emma Buchtel, Xu Jingya, & Betul Turel built on our “wise reasoning” work to tackle cultural diversity. They presented a large-scale study proposal at the 2025
@psychscience.bsky.social Global Summit. #culturaldiversity
@psychscience.bsky.social Global Summit. #culturaldiversity
Excited to visit colleagues Department of Psychology, University of Copenhagen - first time in Copenhagen! - to talk about (mis)#measurement, and (mis)#construal of #wisdom, incl. #intellectual #humility, #empathy/#perspective-taking, and #openmindedness to diverse viewpoints.
October 19, 2025 at 9:36 PM
Excited to visit colleagues Department of Psychology, University of Copenhagen - first time in Copenhagen! - to talk about (mis)#measurement, and (mis)#construal of #wisdom, incl. #intellectual #humility, #empathy/#perspective-taking, and #openmindedness to diverse viewpoints.
Reposted by Igor Grossmann, PhD
When faced with tough decisions, people across the globe prefer making their own decisions rather than accepting advice or information from elsewhere, according to a study from TWCF #ListeningAndLearningInAPolarizedWorld grantee @igi.bsky.social at @uwaterloo.ca
🔗 Read more: bit.ly/49aB0Ad/
🔗 Read more: bit.ly/49aB0Ad/
Most people 'go it alone' to make tough decisions - Archynetys
Share this Article You are free to share this article under the Attribution 4.0 International license.…
www.archynetys.com
October 17, 2025 at 7:00 PM
When faced with tough decisions, people across the globe prefer making their own decisions rather than accepting advice or information from elsewhere, according to a study from TWCF #ListeningAndLearningInAPolarizedWorld grantee @igi.bsky.social at @uwaterloo.ca
🔗 Read more: bit.ly/49aB0Ad/
🔗 Read more: bit.ly/49aB0Ad/
If you are @ #SESP2025 in Lisbon and have bold, controversial ideas about psychology/social sciences OR if you want to know more about the process in #Psychological #Inquiry - one of our premier theory journals, please don't be shy - I am around & would love to meet you.
October 17, 2025 at 7:54 AM
If you are @ #SESP2025 in Lisbon and have bold, controversial ideas about psychology/social sciences OR if you want to know more about the process in #Psychological #Inquiry - one of our premier theory journals, please don't be shy - I am around & would love to meet you.
Reposted by Igor Grossmann, PhD
If your at SESP, check out our symposium on intellectual humility on Saturday!
Back in Portugal 🇵🇹 for #SESP2025 — and for the first time, #SESP itself is happening in Europe (Lisbon).
This Saturday, 3:45–4:45 PM → Room Milão
Chairing a symposium on #intellectual #humility in the #wild: #polarization, rural disputes, and #forecasting #societal #progress.
This Saturday, 3:45–4:45 PM → Room Milão
Chairing a symposium on #intellectual #humility in the #wild: #polarization, rural disputes, and #forecasting #societal #progress.
October 16, 2025 at 10:00 AM
If your at SESP, check out our symposium on intellectual humility on Saturday!
Back in Portugal 🇵🇹 for #SESP2025 — and for the first time, #SESP itself is happening in Europe (Lisbon).
This Saturday, 3:45–4:45 PM → Room Milão
Chairing a symposium on #intellectual #humility in the #wild: #polarization, rural disputes, and #forecasting #societal #progress.
This Saturday, 3:45–4:45 PM → Room Milão
Chairing a symposium on #intellectual #humility in the #wild: #polarization, rural disputes, and #forecasting #societal #progress.
October 15, 2025 at 10:37 PM
Back in Portugal 🇵🇹 for #SESP2025 — and for the first time, #SESP itself is happening in Europe (Lisbon).
This Saturday, 3:45–4:45 PM → Room Milão
Chairing a symposium on #intellectual #humility in the #wild: #polarization, rural disputes, and #forecasting #societal #progress.
This Saturday, 3:45–4:45 PM → Room Milão
Chairing a symposium on #intellectual #humility in the #wild: #polarization, rural disputes, and #forecasting #societal #progress.
When science gets misrepresented, trust in science goes down. Good for @jespinosa.bsky.social to call out #misinformation, esp. given how contentious this topic is!
You know what our recent paper on early life adversity and #dog #behaviour DOESN'T say? Anything about pit-bull type dogs. No mention by us at all, @sciencex.bsky.social. So... how did they earn a callout for aggression and fear in your piece? phys.org/news/2025-10... 1/idk, as many as it takes 🧪
Trauma in a puppy's first six months linked to adult aggression, says new study
As many dog owners can attest, their four-legged companions are delightful and loving. But for others, their animals have an aggressive side, such as biting and attacking strangers, which may ultimate...
phys.org
October 4, 2025 at 9:07 PM
When science gets misrepresented, trust in science goes down. Good for @jespinosa.bsky.social to call out #misinformation, esp. given how contentious this topic is!
Reposted by Igor Grossmann, PhD
📣 New publication alert! In a large, diverse sample, #CompanionDogs with a history of trauma before 6 months were seen as more fearful and/or aggressive than trauma-free dogs or those with trauma later on in life
🧪 #CanineScience #DogBehaviour #EarlyLifeAdversity doi.org/10.1038/s415...
🧪 #CanineScience #DogBehaviour #EarlyLifeAdversity doi.org/10.1038/s415...
Influence of early life adversity and breed on aggression and fear in dogs - Scientific Reports
Scientific Reports - Influence of early life adversity and breed on aggression and fear in dogs
doi.org
October 2, 2025 at 8:22 PM
📣 New publication alert! In a large, diverse sample, #CompanionDogs with a history of trauma before 6 months were seen as more fearful and/or aggressive than trauma-free dogs or those with trauma later on in life
🧪 #CanineScience #DogBehaviour #EarlyLifeAdversity doi.org/10.1038/s415...
🧪 #CanineScience #DogBehaviour #EarlyLifeAdversity doi.org/10.1038/s415...
Science of #wisdom made it to the @hiddenbrain.bsky.social ! humbled to share some insights w @shankarvedantam.bsky.social and his team - www.patreon.com/HiddenBrain. Wisdom does not have a simple story and isn't a story of a single person. I hope you like it.
Get more from Hidden Brain on Patreon
Insights that help you understand your world -- and yourself
www.patreon.com
September 18, 2025 at 12:47 PM
Science of #wisdom made it to the @hiddenbrain.bsky.social ! humbled to share some insights w @shankarvedantam.bsky.social and his team - www.patreon.com/HiddenBrain. Wisdom does not have a simple story and isn't a story of a single person. I hope you like it.
Our paper “The Reasonable, the Rational, and the Good” is finally out in Open Mind 🎉It spent over a year under review at another place—positive reviews + R&R—before getting rejected. Publishing is slow & messy. If you’re going through it, you’re not alone. direct.mit.edu/opmi/article...
The Reasonable, the Rational, and the Good: On Folk Theories of Deliberative Judgment
Abstract. Judgment is often described in terms of an intuitive (System 1) versus deliberative (System 2) dichotomy, yet sound deliberation itself can take more than one form. Building on philosophical...
direct.mit.edu
September 13, 2025 at 2:36 PM
Our paper “The Reasonable, the Rational, and the Good” is finally out in Open Mind 🎉It spent over a year under review at another place—positive reviews + R&R—before getting rejected. Publishing is slow & messy. If you’re going through it, you’re not alone. direct.mit.edu/opmi/article...
Our recent work (which came out in Proceedings B doi.org/10.1098/rspb...) featured in @nautil.us. Can I Give You Some Advice? nautil.us/can-i-give-y...
Can I Give You Some Advice?
Can I Give You Some Advice? I’d tell you not to read this article, but you’d probably ignore me and simply decide for yourself.
nautil.us
September 12, 2025 at 2:51 PM
Our recent work (which came out in Proceedings B doi.org/10.1098/rspb...) featured in @nautil.us. Can I Give You Some Advice? nautil.us/can-i-give-y...