Show, Don't Just Tell: Explaining For Understanding

Show, Don't Just Tell: Explaining For Understanding

Author: ThoughtStretchers Education May 6, 2026 Duration: 1:06:01

Drew Perkins talks with James Moore, author of Explain Yourself: Master the Art of Explanation in the Age of AI, about how educators and communicators can effectively teach complex concepts.

Links & Resources Mentioned In This Episode

Have some feedback you'd like to share? You can email me at drew@thoughtstretchers.org.

If you enjoyed this episode, please share it and please leave a review on Apple Podcasts or wherever you're listening.

James, a former physics teacher and writer for the science-focused YouTube channel Veritasium, champions the core principle of "Show, Don't Just Tell". They unpack his powerful framework for clear explanation: SAD (Structure, Audience, Detail). The conversation tackles the tension between explicit instruction and inquiry, the role of cognitive load in learning, and why balancing technical accuracy with clarity is essential. Learn how starting with concrete examples (a bottom-up approach) and creating a curiosity gap can make the content click.

Tune in for a masterclass on teaching, communication, and understanding in the age of AI.

The discussion features James Moore, who shares his mission to help people explain complex concepts as clearly as possible.

  • [0:05:07] The Motivation Behind Explain Yourself: James's transition from a classroom physics teacher to an online content creator required creating content that is understood the first time, leading to his obsession with clear explanation.
  • [0:06:50] The Core Thesis: Show, Don't Tell: The most effective way to explain something is often not to tell, but to show through stories or examples that connect to biologically primary knowledge.
  • [0:08:45] The SAD Framework: Explaining complex concepts is best approached through three lenses: Structure, Audience, and Detail.
  • [0:16:22] Cognitive Load, Curiosity, and Schema Building: Curiosity acts as a motivator that helps ease the friction of cognitive load, with the goal of making content "click".
  • [0:18:50] Expert vs. Learner Thinking: Experts store information top-down, but teaching should start bottom-up, using a series of examples to allow learners to infer the rule and build schema.

Instructional Strategies & Audience

  • [0:22:13] Checking for Understanding: Asking "Does that make sense?" is a poor proxy for comprehension. Use targeted application problems or specific questions instead.
  • [0:28:18] Unpacking Structure (S): Start with a specific, concrete example to create context and an image in the learner's mind before introducing the abstract, general rule.
  • [0:31:37] Unpacking Audience (A): This lens involves balancing technical accuracy with clarity. Use simple models, like the staircase analogy for quantum physics, that can be refined later to avoid losing the audience.
  • [0:45:34] Unpacking Detail (D): The principle is "Less is More" to manage cognitive load. It also means atomizing complex concepts to avoid the "curse of knowledge," where experts assume their audience has already chunked the information.
  • [0:53:28] The Narrative Structure: Using the "And, But, Therefore/So" story structure helps maintain audience attention by constantly building tension, conflict, and resolution.
  • [0:58:20] Content Dictates Modality: The subject matter (e.g., learning a language or installing a car part) should drive the choice of teaching modality (video vs. text) rather than relying on learner preferences.

Hosted by ThoughtStretchers Education, The ThoughtStretchers Podcast is built on the belief that the best teaching emerges from genuine dialogue and challenging questions. This isn't about quick tips or superficial trends. Instead, each episode engages in the kind of dialectic conversations that push beyond comfortable assumptions, examining the foundational ideas and complex issues that shape modern learning environments. You'll hear deep, often meandering discussions that probe the "why" behind educational practices, fostering a space for intellectual rigor rarely found in typical professional development. Tuning into this podcast feels like sitting in on a thoughtful, sometimes provocative, roundtable where curiosity is the primary curriculum. It’s for educators who find energy in debate and refinement of thought, who believe that strengthening their own intellectual framework is the first step toward nurturing it in others. The dialogue here is designed to stretch your perspective on pedagogy, curriculum, and the very purpose of education, making it a sustained exercise in professional growth. If you’re looking to engage with education on a more philosophical and principled level, these conversations offer a compelling and substantive resource.
Author: Language: en-us Episodes: 100

The ThoughtStretchers Podcast
Podcast Episodes
Reimagining Our Pedagogy Conversations [not-audio_url] [/not-audio_url]

Duration: 1:05:37
Drew Perkins talks with education journalist and author Holly Korbey to explore the complex intersection of cognitive science and progressive pedagogy. While the "Reading Wars" often dominate headlines, Drew and Holly di…
Is The 'What & How' We Teach Math All Wrong? [not-audio_url] [/not-audio_url]

Duration: 1:08:38
Drew Perkins welcomes back Ted Dintersmith to discuss the urgent need to move away from an education system obsessed with standardized testing and toward one that empowers students to do real, meaningful work. In his new…
Biologically Primary vs. Secondary Learning With David Geary [not-audio_url] [/not-audio_url]

Duration: 57:25
Drew Perkins talks with David Geary, a cognitive developmental and evolutionary psychologist and Curator's Professor in the Department of Psychological Sciences at the University of Missouri. They dive into the foundatio…
School Choice, Competition vs. Spending [not-audio_url] [/not-audio_url]

Duration: 1:17:32
Drew Perkins welcomes Patrick Graff, Senior Fellow at the American Federation for Children, to discuss his recent research analyzing 15 years of Florida's tax-credit scholarship program. Graff presents a compelling case…
Moving From Formative Assessment To Action [not-audio_url] [/not-audio_url]

Duration: 1:12:37
Drew Perkins talks with Valentina Devid to explore why the term "formative assessment" often fails in practice and how shifting the focus to Formative Action can lead to more sustainable, durable learning. Valentina shar…
Engineering the Aha, What's Missing From Inquiry [not-audio_url] [/not-audio_url]

Duration: 1:13:04
Drew Perkins talks with Brendan Lee, a primary school teacher, host of the Knowledge for Teachers Podcast, and advocate for evidence-informed pedagogy. Brendan shares his transition from an initial belief in unguided pro…
John Sweller On The Foundations And Future Of Cognitive Load Theory [not-audio_url] [/not-audio_url]

Duration: 1:20:10
Drew Perkins speaks with John Sweller, Emeritus Professor of Educational Psychology at the University of New South Wales, and Oliver Caviglioli, information designer and former special school principal, about the foundat…
Modern Learning And The Paradox Of Edtech [not-audio_url] [/not-audio_url]

Duration: 1:13:08
Drew Perkins talks with Brian Lamb, founder of Swivl, about the "Paradox of Edtech" and how modern digital interfaces are changing the way we learn. They discuss the shift from being "data-driven" to "data-informed," the…
10 Months At Sea, A School For Global Leadership [not-audio_url] [/not-audio_url]

Duration: 57:24
Drew Perkins welcomes Emily Waugh and Gabriela Delgado de Fina, both Assistant Heads of School for the A+ World Academy. They discuss the academy's unique educational model: a 10-month voyage for 72 students aboard the S…
Failure Factory, A Warning For Public Schools [not-audio_url] [/not-audio_url]

Duration: 53:17
Drew Perkins talks with investigative reporter Chris Papst about his book, Failure Factory: How Baltimore City Public Schools Deprive Taxpayers and Students of a Future . Papst, a reporter for Project Baltimore, shares h…