Progressively Incorrect podcast by Zach Groshell

S5E06: Jessica Colleu Terradas & Jon Owen on Direct Instruction Without Borders

In this podcast episode, I’m joined by Jessica Colleu Terradas and Jon Owen, two international leaders bringing Engelmann’s Direct Instruction to life in Australia and the UK. This marks a milestone in the Direct Instruction Podcast—our first global double feature exploring what high-fidelity DI looks like beyond the United States. https://youtu.be/eIMhSdeOLsM?si=8w_Skb2LyMqcGg46 Jessica, based in Australia, … Continue reading S5E06: Jessica Colleu Terradas & Jon Owen on Direct Instruction Without Borders

Anna Stokke and Zach Groshell Explicit Instruction

S5E05: Anna Stokke on Where Math Education Went Wrong—and How to Fix It

In this episode of Progressively Incorrect, I’m joined by Anna Stokke—mathematician, professor, and host of the Chalk & Talk podcast. Anna has become one of the most influential voices calling for a return to clarity, structure, and evidence in math instruction. We explore how her conversations on chalk & talk have shaped—and sometimes challenged—her own … Continue reading S5E05: Anna Stokke on Where Math Education Went Wrong—and How to Fix It

Direct Instruction Embodies the Science of Learning

In one of my more popular posts, I argued that we need to do better than just nod politely at Direct Instruction (DI). Cognitive Load Theory is honored through DI’s ruthless efficiency: every word is deliberate, every example intentional, every new piece of content layered step by step to keep working memory clear and focused. … Continue reading Direct Instruction Embodies the Science of Learning

S5E04: Marcie Samayoa on NGSS and Explicit Science Instruction

In this episode, I’m joined by Marcie Samayoa—science teacher, cognitive science enthusiast, and blogger of Scientists in the Making. Marcie shares the origin story behind her innovative classroom blog and explains how it grew out of a desire to make science learning more equitable, evidence-based, and joyful. We dive into some of the most persistent … Continue reading S5E04: Marcie Samayoa on NGSS and Explicit Science Instruction

S5E03: John Mighton on Building Math Confidence, One Problem at a Time

In this episode, I’m joined by Dr. John Mighton — mathematician, playwright, best-selling author, and founder of JUMP Math. John shares his insights into one of the most misunderstood concepts in education today—the belief that only some students are “math people”—and explains why dismantling this idea is essential for equity and achievement. As we explore … Continue reading S5E03: John Mighton on Building Math Confidence, One Problem at a Time

S5E02: Linda Diamond & Paige Pullen on Connecting Learning, Instruction, and Literacy

S5E02: Linda Diamond & Paige Pullen on Connecting Learning, Literacy, and Instruction

In this powerful episode, I’m joined by two of the most influential voices in literacy education today—Linda Diamond and Paige Pullen. With decades of experience in education, Linda and Paige bring clarity to the evidence-based education movement and the science of reading in particular. Together, we dive into their framework of three interrelated sciences—Learning Science, … Continue reading S5E02: Linda Diamond & Paige Pullen on Connecting Learning, Literacy, and Instruction

Special Guest, Greg Ashman, Educator, Author, Blogger on Filling the Pail

S5E01: Greg Ashman on Explicit Teaching and Inquiry Learning

Welcome to Season 5 of Progressively Incorrect! In this special premiere episode, I’m joined by Greg Ashman, a leading advocate for explicit instruction and one of the most important voices in education today. We begin by analyzing a new video from Jo Boaler, where she casts “step-by-step instruction” as the villain in favor of an … Continue reading S5E01: Greg Ashman on Explicit Teaching and Inquiry Learning

S4E39: Shawn Datchuk on Teaching Sentence Construction with Precision

In this episode of Progressively Incorrect, I’m joined by Dr. Shawn Datchuk, a leading researcher who’s helped shape how we think about sentence construction for struggling learners. Drawing from the literature on Precision Teaching and Direct Instruction, Shawn shares how timed practice and explicit strategies can accelerate mastery in writing, especially for students with learning … Continue reading S4E39: Shawn Datchuk on Teaching Sentence Construction with Precision

Knowledge Is Back—But Only If We Teach It Well

I recently joined Dylan Wiliam and Patrice Bain on the Knowledge Matters Podcast to talk about retrieval practice, mini whiteboards, and the kinds of instructional moves that actually help students remember what they’ve learned. It was a generous conversation - one that didn’t just skim the surface of techniques, but dug into why they matter. … Continue reading Knowledge Is Back—But Only If We Teach It Well

S4E38: Nathan Lang-Raad on Learning Science and Artificial Intelligence

In this episode of Progressively Incorrect, I’m joined by Nathan Lang-Raad for a wide-ranging conversation that threads together two hot-button topics: artificial intelligence and the science of learning. There’s excitement everywhere—some even say AI will revolutionize teaching and learning. But are we getting ahead of ourselves? Nathan and I explore the real benefits AI can … Continue reading S4E38: Nathan Lang-Raad on Learning Science and Artificial Intelligence