Cracking the Persuasion Code with Dr. Richard Petty @OpinionScience
Cracking the Persuasion Code with Dr. Richard Petty  @OpinionScience
Uploaded January 2025 | Updated September 2026, 3 weeks ago
Dr. Richard Petty is a professor of psychology at Ohio State University. He’s probably best known for co-developing the Elaboration Likelihood Model (ELM) of persuasion (but he’s done a lot of other stuff, too). He was also my advisor in grad school.

In the last episode of Opinion Science, Rich lent his voice to telling the story of the ELM. Go check that out if you haven’t already. But my full conversation with Rich was also great and went in a few directions that just didn’t fit into a general intro to the ELM. So, I present that full interview here. It gets a little inside baseball at some points, so be aware of that. But it’s an interesting glimpse at the random ride that a career in science can be and the number of lucky moments that can steer the wheel.

For more, head to this episode's webpage: opinionsciencepodcast.com/episode/studying-persuasion-with-rich-petty

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Opinion Science is a psychology podcast exploring the science of our opinions, where they come from and how they change. Each week I talk to social scientists and professional communicators about how the work they do reveals key insights about public opinion and persuasion.

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Cracking the Persuasion Code with Dr. Richard Petty

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