Opinion Science

Latest episode

5 Oct 2026 · 58 min

#121: Cultural Evolution with Joshua Conrad Jackson

Dr. Joshua Conrad Jackson uses a bunch of creative research tools to tackle big questions about psychology, culture, and history. By examining historical records, modern writing, and global surveys (among other things), he and his colleagues can trace the trajectory of cultures over time. In our conversation, he helps me understand what "cultural evolution" means, how cultures have gotten more different (not more similar), and how historical records can shed light on the psychology of p...

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Earlier episodes 29 most recent

1. 

   S8 · E12 · 7 Sep 2026 · 46 min

   #120: Supporting versus Opposing with Rhia Catapano

   Rhia Catapano studies what happens when people think of an opinion in terms of what they support versus what they oppose. It turns out that this simple difference carries important implications. Even if we're talking about the same basic opinion, something shifts when it's about support than opposition. In our conversation, Rhia shares her findings and what it means for people who want to communicate more effectively. At the top of the show, I discuss Issue 1 in Ohio from 2023. Most of the ba...

2. 

   S8 · E11 · 3 Aug 2026 · 56 min

   #119: The Power of Confident Uncertainty with Demi Oba

   Demi Oba is an Assistant Professor of Marketing at Harvard Business School. He studies the nature of communication. In our conversation, Demi shares some recent research on the different types of "hedges" people make when expressing uncertainty in a claim. These types of uncertainty matter for how persuasive a person can be. In fact, sometimes, being the right kind of uncertain can be more influential than expressing confidence. Join me over at Patreon: https://www.patreon.com/OpinionScience ...

3. 

   S8 · E10 · 6 Jul 2026 · 54 min

   #118: Making Moral Arguments with Jae-Hee Jung

   Jae-Hee Jung is an assistant professor at Rice University, where she studies party politics, political behavior, and political psychology in Western democracies. Her research focuses on the strategic use of moral rhetoric (i.e., appeals to fundamental notions of right and wrong) and how it shapes political competition and voter psychology. We talk about her work analyzing political manifestos, the psychological mechanisms like pride that mobilize a party's base, and the surprising finding tha...

4. 

   S8 · E9 · 1 Jun 2026 · 54 min

   #117: Happiness As a Tool for Behavior Change with Liz Dunn & Jiaying Zhao

   Elizabeth Dunn and Jiaying Zhao are professors at the University of British Columbia, where they study social psychology and climate behavioral science, respectively. Together, they explore the intersection of human happiness and environmental action, challenging the traditional "guilt and shame" narratives that dominate climate communication. We talk about their new book: Leave the Lights On: How Joyful Decisions Can Save Our Species, which explores how you can address climate change by taki...

5. 

   S8 · E8 · 4 May 2026 · 59 min

   #116: Change Beliefs, Change Opinions? with Yamil Velez

   Yamil Velez is an assistant professor of political science at Columbia University, where he studies what makes political opinions hard to shift. He’s been using innovative new methods to test important ideas about how people arrive at their views and what it takes to change them. We talk about the relationship between beliefs and opinions, why correcting misinformation doesn’t necessarily move opinions, and what happens when persuasive messages are tailored to the specific reasons people hold...

6. 

   S8 · E7 · 6 Apr 2026 · 1 hr

   #115: Raising Color-Conscious Kids with Sylvia Perry

   Sylvia Perry is a social psychologist and Associate Professor at Northwestern University, where she directs the Social Cognition and Social Identity Lab. She studies the psychological mechanisms that shape how people recognize and confront their own biases, as well as how those biases are transmitted across generations. We talk about her research on racial socialization, specifically focusing on how white parents navigate—or frequently avoid—conversations about race with their children. Sylvi...

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