Opinion Science

Opinion Science

A show about the psychology of opinions, where they come from, and how they change. Interviews with experts and deep dives into areas of research uncover the basic psychology of persuasion, communication, and public opinion. Hosted by social psychologist, Andy Luttrell.

Episodes

September 7, 2026 • 46 mins

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 ...

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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.

Joi...

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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...

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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 Spec...

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Yamil Velezis 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 ...

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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 f...

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Alex Kustov studies public opinion about immigration—why it’s so durable, why it becomes so politically explosive, and what (if anything) can make it more popular. We talk about the surprisingly stable foundations of immigration attitudes, why only a small fraction of people are categorically opposed, and how partisanship shapes the debate. Alex also explains what he calls the “altruist’s dilemma”...

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February 10, 2026 • 17 mins

I'm excited to share a preview of a new podcast I think you’d enjoy: Mind Games.

What if you could hypnotize yourself into a better you? Or.... secretly hypnotize others into giving you anything you want? That’s the promise of NLP. Mind Games is an investigation into the world of Neuro-Linguistic Programming, or NLP, a blend of hypnosis, linguistics, and psychology that has quietly shaped industries, institutions, and be...

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Steven Rathje is a postdoc at New York University and an incoming assistant professor at Carnegie Mellon University. He studies the psychology of technology, which includes how people engage with a variety of digital tools, especially those with social implications. We talk about his work on what makes content go viral online and the consequences of AI chatbots that are more agreeable than maybe they ought to be. Along the way, we ...

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Greg Murphy studies the psychology of concepts. How do we use language to understand things, and how do we sort the world into categories? In our conversation, we consider what makes a category, why we love them, and where they steer us wrong.

Dr. Murphy released a book on this topic a few years ago: Categories We Live By
How We Classify Everyone and Everything

Join me over at Patreon: https://www.patreon.com/OpinionScience

Learn m...

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Paul Eastwick and Eli Finkel are two social psychologists who study the gears and levers of romantic relationships. What do people find attractive in a partner? How do relationships evolve over time? And critically, do romantic movies get any of this stuff right?

Paul and Eli host the podcast, Love Factually, which dissects popular romantic films from the standpoint of behavioral science. What do they get wrong? What do they get rig...

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Sara Grady studies the function of entertainment—why we watch, play, and listen to the media that fill our lives. She's an assistant professor of Communication at Ohio State University. In our conversation, we explore what entertainment actually does for us, what it means to connect with fictional characters, and how storytelling shapes our relationships and well-being. Sara also shares her path from film production to media ...

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David Broockman is a political scientist at UC Berkeley who digs into one of democracy’s core questions: can political messages really change minds? He’s spent his career running careful studies of persuasion, from door-to-door conversations to the effects of cable news, and testing whether the confident claims of political consultants actually hold up.

In our conversation, David shares the path that brought him into pol...

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Lulu Miller has done a lot of things and done them very well. She is currently the co-host of Radiolaband its family-friendly spinoff, Terrestrials. She also co-created Invisibiliawith Alix Spiegel and wrote the beautiful book, Why Fish Don't Exist. In our conversation, I try to learn Lulu's secrets when it comes it sharing science across media. I've been a fan of her work for a long time, so it was great to get to talk with her!

(I...

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Sarah McAnulty is a squid biologist and a science communicator. She's come up with all sorts of creative ways to bring science to the people, especially through local community engagement initiatives.

Learn more about Skype a Scientist: https://www.skypeascientist.com/

You can find the rest of this summer's science communication podcast series here.

Join me over at Patreon: https://www.patreon.com/OpinionScience

Learn more about Opinio...

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Joe Palca reported on science for NPR for years. He found his sweet spot, capturing people's interest and filling them in on curious new findings in just a few minutes. His path to this job wasn't all that direct, and in our conversation, he shares how he got there and what he's learned along the way.

Listen to his 2019 story on the "electric dipole moment": Scientists Studying EDM To Find Why Everything In The Universe Exists ...

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Alison Fragale is an organizational psychologist who gives keynote talks and leads workshops outside academia. She talks frankly about what it takes to book speaking engagements, design powerful talks that make a difference, and juggle a speaking schedule with other commitments. She also just released a book -- Likable Badass: How Women Get the Success They Deserve.

You can find the rest of this summer's science communication podcas...

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Alex Dainis is a freelance science communicator and video producer. She's been making science videos on YouTube for years, including recent work for the American Chemical Society. In 2024, she was received an Award for Excellence in Science Communications from the National Academies of Science, Engineering, and Medicine and the Schmidt Foundation.

We talk about how she started down this road and decided to make it her full-time work...

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Joel Bervell recently graduated from medical school, which is when he gained fame as an influencer helping the public navigate good medical science. He’s out there breaking down myths about medicine, particularly shining a light on racial disparities in health and treatment. He recently won a Peabody award, consults with the White House, has given interviews on various media platforms, and has given talks all over.  He h...

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Kicking off the 3rd season of Hot SciComm Summer is Adam Cole. Adam started at NPR’s Science Desk in 2011 where he started making short videos and radio pieces. In 2014, he launched the YouTube channel Skunk Bear with NPR, which was a venue for fun, quirky, visual forays into science stories big and small. After NPR, he did work for Vox, including their Netflix series, “The Mind, Explained” in 2019.

Most recently, ...

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