Jonathan Haidt, PhD

Jonathan Haidt, PhD

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Social psychologist; moral psychology; adolescent mental health and attention.

Mandatory DEI Statements Declining in Faculty Hiring
SocialApr 30, 2026

Mandatory DEI Statements Declining in Faculty Hiring

If you follow trends in higher ed, @HdxAcademy has been putting out such great reports, just the facts, no editorializing, so that we all have a common base for discussions. Here's the latest, on the decline of mandatory DEI statements...

By Jonathan Haidt, PhD
Social Media Harms Marginalized Youth, Contrary to Company Claims
SocialApr 17, 2026

Social Media Harms Marginalized Youth, Contrary to Company Claims

Social media companies try to fend off age limits by claiming they are a "lifeline" for kids from marginalized groups. But as trans activist Lennon Torres shows, from her own experience and from Meta's own research, the opposite is closer...

By Jonathan Haidt, PhD
Trump Funding Cuts Halt Crucial Scientific Research, Now Highlighted
SocialApr 11, 2026

Trump Funding Cuts Halt Crucial Scientific Research, Now Highlighted

My former UVA colleague Tim Wilson is creating short videos of scientists describing the research that stopped when the Trump admin slashed funding for science: https://t.co/WdzjCofxvB For example, research finding more effective ways to train navy pilots and air traffic controllers: https://t.co/7XDXn593Kl

By Jonathan Haidt, PhD
Greece Raises Social Media Age Limit to 15
SocialApr 9, 2026

Greece Raises Social Media Age Limit to 15

Greece will raise the age for opening social media accounts to 15! Bravo Prime Minister Mitsotakis, for speaking so powerfully about this at the UN in October, and for your leadership today. @kmitsotakis https://t.co/zdvJDR48PD

By Jonathan Haidt, PhD
Seven Academic Findings Show Social Media Harms Youth
SocialApr 9, 2026

Seven Academic Findings Show Social Media Harms Youth

Interested in the upcoming social media trials? Get your guide to the 7 lines of academic evidence that social media platforms are causing a variety of harms to many young people. This is a condensed version of my essay...

By Jonathan Haidt, PhD
Court Rulings Make Tech Reform a 2028 Campaign Weapon
SocialApr 5, 2026

Court Rulings Make Tech Reform a 2028 Campaign Weapon

Here's a really powerful summary of what the 2 social media court cases mean. @jonfavs explains why anyone running for office would do well to embrace and champion reforms.

By Jonathan Haidt, PhD
Chatbots Could Pull Extremists Toward Center, Yet Fake Videos Polarize
SocialMar 28, 2026

Chatbots Could Pull Extremists Toward Center, Yet Fake Videos Polarize

.@jburnmurdoch has produced another great essay, showing that ONE effect of AI--talking with chatbots--may nudge extremists toward center. But will that counteract the polarizing effects of millions of outraging fake videos? I'd bet affect beats reason: https://t.co/OZ8dMyWbEF

By Jonathan Haidt, PhD
Seven Scientific Proofs Social Media Harms Users
SocialMar 28, 2026

Seven Scientific Proofs Social Media Harms Users

If you come across someone asserting there is "no scientific evidence" that social media is causing harm, please send them this link. We lay out seven lines of evidence, including RCTs, natural experiments, and testimony from victims &...

By Jonathan Haidt, PhD
Indonesia Adopts Feature‑based Age Limits for Apps
SocialMar 28, 2026

Indonesia Adopts Feature‑based Age Limits for Apps

As countries follow Australia's lead, they are innovating. Indonesia's law doesn't define SM APPS; it applies age restrictions based on the risky FEATURES of any app, including chatbots. At After Babel, From Anindito Aditomo & other advisors on the law https://t.co/lSroGS5Q2Q

By Jonathan Haidt, PhD
Rising Teen Social Media Use Harms Cognitive Performance
SocialMar 24, 2026

Rising Teen Social Media Use Harms Cognitive Performance

Powerful new longitudinal study finds that adolescents who increase their social media over a 2 year period show lower cognitive performance, compared to those who did not increase. Fom @jasonmnagata's team, using ABCD data, and controlling for all the right stuff.

By Jonathan Haidt, PhD
Jury to Decide: Meta Confirms Social Media Addiction
SocialMar 22, 2026

Jury to Decide: Meta Confirms Social Media Addiction

The jury in Los Angeles will soon return its verdict on whether social media is addictive. Meta's own researchers said it is. See this quote, and many others, in my new review paper laying out 7 lines of evidence: https://t.co/n6RfRkXbeW https://t.co/F2KubzNIIT

By Jonathan Haidt, PhD
Exploring How Social Media Impacts Regional Happiness
SocialMar 19, 2026

Exploring How Social Media Impacts Regional Happiness

Join us today at 3pm EDT for a zoom discussion of links between social media and happiness. We'll discuss today's World Happiness Report and what we can learn from it about regional variation in well-being and social media use. Via...

By Jonathan Haidt, PhD