Teens, AI and the science of risky decisions, with Valerie Reyna, PhD

Speaking of Psychology

Kim Mills

Science, Life Sciences, Health & Fitness, Mental Health

4.5 • 839 Ratings

🗓️ 24 September 2025

⏱️ 32 minutes

🔗️ Recording | iTunes | RSS

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Summary

You might think the best way to make decisions is to know all the facts. But psychologists’ research suggests that getting the “gist” – the core meaning behind the facts – is more important than focusing on every last detail. Valerie Reyna, PhD, talks about why gist matters; how it explains why teens make so many risky decisions; how understanding gist can help doctors communicate better with their patients; and why AI systems may be moving toward more gist-based reasoning. Chapters 00:00 What is Gist? 09:55 The Role of Gist in Adolescent Decision-Making 19:40 Misinformation and Gist-Based Thinking 29:53 AI Decision-Making: A New Frontier Learn more about your ad choices. Visit megaphone.fm/adchoices

Transcript

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0:00.0	You might think that the smartest way to make a decision is to gather all the facts, weigh them carefully, and then choose the most rational option.
0:09.0	But psychological research suggests something different.
0:13.0	Understanding the gist of a situation, not necessarily being able to recount precise facts, often leads to the best choices. Today we're going to talk to a psychologist
0:23.1	who studies decision-making about the importance of gist and why it can help explain everything
0:28.7	from teenagers' propensity for risk-taking to the spread of health misinformation. So why does our brain
0:35.1	lean on fuzzy thinking? And when is that a good thing?
0:38.3	How do teens, adults, and artificial intelligence agents make sense of risk?
0:43.3	And how can we design systems and messages that work with our natural decision-making styles rather than against them?
0:50.3	Welcome to Speaking of Psychology, the flagship podcast of the American Psychological Association
0:57.0	that examines the links between psychological science and everyday life. I'm Kim Mills.
1:03.0	My guest today is Dr. Valerie Raina, the Lois and Melvin-Tuckman Professor of Human Development at Cornell University.
1:11.6	She studies judgment, decision-making, and memory across the lifespan.
1:16.6	She is the developer of Fuzzy Trace Theory, a decision-making model that has been widely applied in law, medicine, and public health.
1:24.6	Her recent work has focused on understanding risky decision-making
1:27.8	in adolescence, medical and legal decision-making, and AI decision-making. Dr. Raina is an APA fellow
1:34.6	and has won many awards for her work, including the Lifetime Achievement Award from APA's
1:39.7	Division of Experimental Psychology and Cognitive Science. Dr. Raina, thank you for joining me today.
1:45.6	It's a pleasure to be here, and thank you for that lovely summary.
1:49.4	Let's start with the core of your work.
1:51.3	You develop something called Fuzzy Trace Theory, which I just mentioned.
1:55.0	Can you tell us about that and how it helps people make decisions?
1:59.5	Well, as you mentioned, there's a distinction between mentally representing the gist of a situation,
	...

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