Tom Hollenstein
@tomhollenstein.bsky.social
Applying Developmental Pscyh theory and research on adolescent emotion & regulation, parent-child interaction dynamics to more robust and informative understanding of youth digital experiences
Reposted by Tom Hollenstein
@affectscience.bsky.social notices are out! 🎉 If you’re going to #SAS2026, consider attending its very first Developmental Affective Science pre-conference too! @eriknook.bsky.social and I hope to see you there. 🤞🏻 Spread the word!
Explore how affective processes develop from early life through adolescence at the Developmental Affective Science preconference featuring invited talks, trainee flash talks, open discussion, & opportunities to spark new collabs across career stages! bit.ly/3Mx0778
December 18, 2025 at 9:47 PM
@affectscience.bsky.social notices are out! 🎉 If you’re going to #SAS2026, consider attending its very first Developmental Affective Science pre-conference too! @eriknook.bsky.social and I hope to see you there. 🤞🏻 Spread the word!
Reposted by Tom Hollenstein
If only adults could pay attention to something other than teenagers’ phones…
Today I note how, after Florida implemented their #cellphoneban in schools, Florida's national standardized testing scores dropped.
We need to work harder to improve schools by improving schools, not by banning technology.
www.tallahassee.com/story/opinio...
We need to work harder to improve schools by improving schools, not by banning technology.
www.tallahassee.com/story/opinio...
Florida’s cellphone ban hasn’t reversed testing score trends | Opinion
Teens have been trying to tell us the real problem: The problem with schools is schools.
www.tallahassee.com
December 17, 2025 at 3:40 PM
If only adults could pay attention to something other than teenagers’ phones…
Reposted by Tom Hollenstein
Our department is hiring! We’re looking for a new colleague (Assoc/Full) in Social/Affective Neuroscience to join us at Queen’s starting July 2026. Amazing people, great facilities, supportive community. Please share!! Full ad here: www.queensu.ca/psychology/n...
Employment Opportunities | Department of Psychology
Available Positions Position Title Position Details Posting Date Closing Date Queen's University National Scholar (QNS) Senior Faculty Position in Social and/or Affective Neuroscience, Department of P...
www.queensu.ca
December 8, 2025 at 8:46 PM
Our department is hiring! We’re looking for a new colleague (Assoc/Full) in Social/Affective Neuroscience to join us at Queen’s starting July 2026. Amazing people, great facilities, supportive community. Please share!! Full ad here: www.queensu.ca/psychology/n...
I JUST posted about another one. A meta-analysis. Zero reality.
On the plus side, great teaching tools.
bsky.app/profile/tomh...
On the plus side, great teaching tools.
bsky.app/profile/tomh...
December 7, 2025 at 11:15 PM
I JUST posted about another one. A meta-analysis. Zero reality.
On the plus side, great teaching tools.
bsky.app/profile/tomh...
On the plus side, great teaching tools.
bsky.app/profile/tomh...
So...my undergrad thesis student is doing a quality analysis of studies found in meta-analyses. She identified a few and we contacted the authors to request their effect sizes and other variables for the studies in their papers.
Here's what happened:
scientiapsychiatrica.com/index.php/Sc...
Here's what happened:
scientiapsychiatrica.com/index.php/Sc...
The Impact of Social Media on Adolescent Mental Health: A Meta-Analysis | Scientia Psychiatrica
Introduction: The proliferation of social media has raised significant concerns about its potential effects on the mental health of adolescents. This meta-analysis aims to provide a comprehensive asse...
scientiapsychiatrica.com
December 7, 2025 at 11:11 PM
So...my undergrad thesis student is doing a quality analysis of studies found in meta-analyses. She identified a few and we contacted the authors to request their effect sizes and other variables for the studies in their papers.
Here's what happened:
scientiapsychiatrica.com/index.php/Sc...
Here's what happened:
scientiapsychiatrica.com/index.php/Sc...
Reposted by Tom Hollenstein
Updating my comparative public admin seminar class—which was decimated by AI last year—to maybe be a little more LLM-proof by adding a 20–30 minute start-of-class writing & discussion activity. Will it work? Who knows! Full details and PDF here: governancef25.classes.andrewheiss.com/assignment/c...
August 19, 2025 at 5:12 PM
Updating my comparative public admin seminar class—which was decimated by AI last year—to maybe be a little more LLM-proof by adding a 20–30 minute start-of-class writing & discussion activity. Will it work? Who knows! Full details and PDF here: governancef25.classes.andrewheiss.com/assignment/c...
Reposted by Tom Hollenstein
Not surprisingly I have lots of thoughts on this. But in a nutshell, Yes, we should support teachers and no students should not be on their phones in class (unless they are integrated into the class plan or supporting learning), but, most teachers and schools had already solved this problem...
August 25, 2025 at 5:27 PM
Not surprisingly I have lots of thoughts on this. But in a nutshell, Yes, we should support teachers and no students should not be on their phones in class (unless they are integrated into the class plan or supporting learning), but, most teachers and schools had already solved this problem...
Reposted by Tom Hollenstein
with phones in backpacks, lockers, or in holders at the back of the room. So the bans are doing little to change access to phones, are costing us lot of money (with these bizarre yonder pouches), time, and resources and are not solving any of the real problems that young people are facing - so...
August 25, 2025 at 5:27 PM
with phones in backpacks, lockers, or in holders at the back of the room. So the bans are doing little to change access to phones, are costing us lot of money (with these bizarre yonder pouches), time, and resources and are not solving any of the real problems that young people are facing - so...
Reposted by Tom Hollenstein
the danger is that adults claim victory and believe they have saved the children, when in reality they have just kicked down an already open door and did nothing to support youth mental health (oh, and by the way, we are in the midst of an adult mental health crisis but keep pointing only at youth)
August 25, 2025 at 5:27 PM
the danger is that adults claim victory and believe they have saved the children, when in reality they have just kicked down an already open door and did nothing to support youth mental health (oh, and by the way, we are in the midst of an adult mental health crisis but keep pointing only at youth)
Reposted by Tom Hollenstein
Reposted by Tom Hollenstein
More details on [the program here](liminal-learning.com/program). Liminal Learning is a nonprofit, aiming to provide 30% of its places on scholarship over its lifetime.
Liminal Learning
Liminal Learning offers a comprehensive “world-readiness” program that prepares young people (ages ~18–24 years) to thrive. Young people need strong friendships, a sense of agency, and trusted mentors...
liminal-learning.com
August 25, 2025 at 5:39 PM
More details on [the program here](liminal-learning.com/program). Liminal Learning is a nonprofit, aiming to provide 30% of its places on scholarship over its lifetime.
Reposted by Tom Hollenstein
The yearlong program helps young people find their way in work, study, and life. We start with a weeklong retreat in the wilderness (Quest), and continues with online and offline programming. Check out some of the testimonials from our last cohort: liminallearning.substack.com
The Liminal Post | Liminal Learning | Substack
News and community updates from Liminal Learning — a collective launch into purposeful adulthood. Click to read The Liminal Post, a Substack publication with hundreds of subscribers.
liminallearning.substack.com
August 25, 2025 at 5:39 PM
The yearlong program helps young people find their way in work, study, and life. We start with a weeklong retreat in the wilderness (Quest), and continues with online and offline programming. Check out some of the testimonials from our last cohort: liminallearning.substack.com
Reposted by Tom Hollenstein
We've got 5 scholarship places open for Liminal Learning's next cohort, starting October 19: liminal-learning.com/upcoming-que...!
Liminal Learning — Quests
A communal launch into purpose-driven adulthood. Immersive communal experiences built on evolutionary principles of play and experimentation.
liminal-learning.com
August 25, 2025 at 5:39 PM
We've got 5 scholarship places open for Liminal Learning's next cohort, starting October 19: liminal-learning.com/upcoming-que...!
Reposted by Tom Hollenstein
‼️Academic job alert‼️ Our dept at Queen's University (Canada!) is looking to hire a TT assistant prof in clinical psychology... Applications due end of Sept! Re-posts very much appreciated www.queensu.ca/psychology/n...
Employment Opportunities | Department of Psychology
Available Positions Position Title Position Details Posting Date Closing Date Assistant Professor - Tenure-Track Appointment in Psychology
www.queensu.ca
August 15, 2025 at 5:26 PM
‼️Academic job alert‼️ Our dept at Queen's University (Canada!) is looking to hire a TT assistant prof in clinical psychology... Applications due end of Sept! Re-posts very much appreciated www.queensu.ca/psychology/n...
Reposted by Tom Hollenstein
Graduate students who have an offer to study in the US but are reconsidering or have been denied entry or current grad students who want to leave, then consider coming to Western University in Canada. Our University just launched a US-CAN Doctoral Excellence Program : grad.uwo.ca/finances/wes...
US-CAN Doctoral Excellence Award
Western University, in vibrant London, Ontario, delivers an academic and student experience second to none.
grad.uwo.ca
July 8, 2025 at 6:52 PM
Graduate students who have an offer to study in the US but are reconsidering or have been denied entry or current grad students who want to leave, then consider coming to Western University in Canada. Our University just launched a US-CAN Doctoral Excellence Program : grad.uwo.ca/finances/wes...
Reposted by Tom Hollenstein
It's a distinction from @kph3k.bsky.social's Genetic Lottery. I used it before even without talking about genetics; it catches a lot of the misconceptions that student have about what it means to call something a cause. Those misconceptions also led to a blog post: www.the100.ci/2024/06/26/s...
July 7, 2025 at 1:44 PM
It's a distinction from @kph3k.bsky.social's Genetic Lottery. I used it before even without talking about genetics; it catches a lot of the misconceptions that student have about what it means to call something a cause. Those misconceptions also led to a blog post: www.the100.ci/2024/06/26/s...
Reposted by Tom Hollenstein
…yes, AND we have also known that young people with mental health problems often report spending more time gaming and online. Instead of calling them addicted because of it, we should ask what they are searching for and what we can do to help them find what they need.
"We have known for over a decade now that screen time is a flawed measure, but we continue to tally time spent on screens instead of asking how young people are spending their time online and why they want to be there"
www.nytimes.com/2025/06/18/h... @candiceodgers.bsky.social
www.nytimes.com/2025/06/18/h... @candiceodgers.bsky.social
Real Risk to Youth Mental Health Is ‘Addictive Use,’ Not Screen Time Alone, Study Finds
www.nytimes.com
June 20, 2025 at 12:18 AM
…yes, AND we have also known that young people with mental health problems often report spending more time gaming and online. Instead of calling them addicted because of it, we should ask what they are searching for and what we can do to help them find what they need.
Reposted by Tom Hollenstein
#ICYMI
The non-profit organization Liminal Learning is an educational response to the challenges faced by young people as they navigate towards adulthood, according to Kevin Bowers, co-founder and teacher at LCVI. #YouthSupport #YGK
Learn more: www.kingstonist.com/news/liminal...
The non-profit organization Liminal Learning is an educational response to the challenges faced by young people as they navigate towards adulthood, according to Kevin Bowers, co-founder and teacher at LCVI. #YouthSupport #YGK
Learn more: www.kingstonist.com/news/liminal...
Liminal Learning aims to help young people 'thrive in a world of flux' – Kingston News
(Kingston, Ontario) A new venture, based partly in Kingston, is aiming to support young adults in their journey toward independence, or “purposeful adulthood."
www.kingstonist.com
June 19, 2025 at 2:26 PM
#ICYMI
The non-profit organization Liminal Learning is an educational response to the challenges faced by young people as they navigate towards adulthood, according to Kevin Bowers, co-founder and teacher at LCVI. #YouthSupport #YGK
Learn more: www.kingstonist.com/news/liminal...
The non-profit organization Liminal Learning is an educational response to the challenges faced by young people as they navigate towards adulthood, according to Kevin Bowers, co-founder and teacher at LCVI. #YouthSupport #YGK
Learn more: www.kingstonist.com/news/liminal...
Reposted by Tom Hollenstein
Thrilled to share how Liminal Learning is helping young people launch into adulthood. Here, I explain the rationale of our hybrid (offline/online) learning model. www.youtube.com/watch?v=47nS...
If you're interested in joining us on a Quest, get in touch here: liminal-learning.com/upcoming-que...
If you're interested in joining us on a Quest, get in touch here: liminal-learning.com/upcoming-que...
June 9, 2025 at 10:31 AM
Thrilled to share how Liminal Learning is helping young people launch into adulthood. Here, I explain the rationale of our hybrid (offline/online) learning model. www.youtube.com/watch?v=47nS...
If you're interested in joining us on a Quest, get in touch here: liminal-learning.com/upcoming-que...
If you're interested in joining us on a Quest, get in touch here: liminal-learning.com/upcoming-que...
Visionary, timely, effective, AND based on well-known developmental principles!
Youth need something else beside multiple choice and status quo if they are going to thrive and work collectively on solutions we/they desparately need over the next generation.
Highly recommend. 5 stars
Youth need something else beside multiple choice and status quo if they are going to thrive and work collectively on solutions we/they desparately need over the next generation.
Highly recommend. 5 stars
HELLO! Here's what I've been up to for the last 2 years! If you're 18-24 years old, come join us for a Quest!
Liminal Learning is preparing young people to thrive in a world in flux, together. We are focused on collective flourishing and it shows 🥰. Come see what's on offer: liminal-learning.com
Liminal Learning is preparing young people to thrive in a world in flux, together. We are focused on collective flourishing and it shows 🥰. Come see what's on offer: liminal-learning.com
Liminal Learning — Home
A communal launch into purpose-driven adulthood. Immersive communal experiences built on evolutionary principles of play and experimentation.
liminal-learning.com
June 9, 2025 at 2:05 PM
Visionary, timely, effective, AND based on well-known developmental principles!
Youth need something else beside multiple choice and status quo if they are going to thrive and work collectively on solutions we/they desparately need over the next generation.
Highly recommend. 5 stars
Youth need something else beside multiple choice and status quo if they are going to thrive and work collectively on solutions we/they desparately need over the next generation.
Highly recommend. 5 stars
Reposted by Tom Hollenstein
HELLO! Here's what I've been up to for the last 2 years! If you're 18-24 years old, come join us for a Quest!
Liminal Learning is preparing young people to thrive in a world in flux, together. We are focused on collective flourishing and it shows 🥰. Come see what's on offer: liminal-learning.com
Liminal Learning is preparing young people to thrive in a world in flux, together. We are focused on collective flourishing and it shows 🥰. Come see what's on offer: liminal-learning.com
Liminal Learning — Home
A communal launch into purpose-driven adulthood. Immersive communal experiences built on evolutionary principles of play and experimentation.
liminal-learning.com
June 9, 2025 at 10:36 AM
HELLO! Here's what I've been up to for the last 2 years! If you're 18-24 years old, come join us for a Quest!
Liminal Learning is preparing young people to thrive in a world in flux, together. We are focused on collective flourishing and it shows 🥰. Come see what's on offer: liminal-learning.com
Liminal Learning is preparing young people to thrive in a world in flux, together. We are focused on collective flourishing and it shows 🥰. Come see what's on offer: liminal-learning.com
My Canadian university, Queen's, is offering TWENTY 4-year funded PhDs (40k CAD/yr) for a student of ANY citizenship who has been accepted at a top 100 US university but have had offer rescinded OR are reconsidering offer due to US policy.
Details found here👇
www.queensu.ca/grad-postdoc...
Details found here👇
www.queensu.ca/grad-postdoc...
Queen’s Special U.S. Doctoral Recruitment Initiative | School of Graduate Studies and Postdoctoral AffairsDown arrowDown arrowDown arrowDown arrowDown arrowDown arrowDown arrowDown arrowDown arrowDown...
Queen’s University is a globally engaged, research-intensive institution dedicated to attracting and supporting exceptional PhD students who will significantly advance our research mission.
www.queensu.ca
June 5, 2025 at 3:31 PM
My Canadian university, Queen's, is offering TWENTY 4-year funded PhDs (40k CAD/yr) for a student of ANY citizenship who has been accepted at a top 100 US university but have had offer rescinded OR are reconsidering offer due to US policy.
Details found here👇
www.queensu.ca/grad-postdoc...
Details found here👇
www.queensu.ca/grad-postdoc...
Reposted by Tom Hollenstein
Like others, I dropped out of the process because it was bonkers. Beyond the specific topic, it illustrates major meta-scientific problems that include, but are not limited to, wasting resources and drawing inaccurate conclusions from the available data. www.science.org/content/arti...
Social media consensus paper causes social media uproar
Preprint reporting common ground among researchers on smartphones and teen mental health is premature and flawed, critics say
www.science.org
May 22, 2025 at 8:55 PM
Like others, I dropped out of the process because it was bonkers. Beyond the specific topic, it illustrates major meta-scientific problems that include, but are not limited to, wasting resources and drawing inaccurate conclusions from the available data. www.science.org/content/arti...
Reposted by Tom Hollenstein
If I am reading this correctly, this version with a rational x-axis provides evidence for a different conclusion than the paper seems to offer:
A (slight) majority of experts say that there is any evidence at all for only one of the 26 claims investigated.
bsky.app/profile/rube...
A (slight) majority of experts say that there is any evidence at all for only one of the 26 claims investigated.
bsky.app/profile/rube...
Here's a graph I made what it would look like if we took the maximal level of evidence everybody endorsed.
May 20, 2025 at 6:21 PM
If I am reading this correctly, this version with a rational x-axis provides evidence for a different conclusion than the paper seems to offer:
A (slight) majority of experts say that there is any evidence at all for only one of the 26 claims investigated.
bsky.app/profile/rube...
A (slight) majority of experts say that there is any evidence at all for only one of the 26 claims investigated.
bsky.app/profile/rube...
This was a top-notch analysis!
Episode 31: The Anxious Generation
Is social media to blame for the teen mental health crisis? A middle-aged libertarian tells Joe Rogan that it is.
Is social media to blame for the teen mental health crisis? A middle-aged libertarian tells Joe Rogan that it is.
If Books Could Kill on Apple Podcasts
Society & Culture · 2024
podcasts.apple.com
April 8, 2025 at 11:46 PM
This was a top-notch analysis!