Stop Asking Teachers to Chase the Discovery Dragon

The phrase “chasing the dragon” refers to the classic cycle of addiction. People keep chasing the dragon not because it’s working, but because they’re convinced the payoff will eventually come — if only they keep trying. (I’ll spare you a digression into my history with the game of golf.) Teachers are told to chase the … Continue reading Stop Asking Teachers to Chase the Discovery Dragon

Guest Marty Siegel joins Progressively Incorrect Podcast by Dr. Zach Groshell

S5E09: Marty Siegel on Direct Instruction Engineering and the Future of EdTech

In this episode of Progressively Incorrect, I’m joined by Marty Siegel, Professor Emeritus of Informatics and Instructional Systems Technology, and a pioneer whose career bridges early Direct Instruction, large-scale computer-based learning, human–computer interaction, and the emerging world of AI-driven instruction. Marty began his career at the University of Illinois in the 1960s, right at the … Continue reading S5E09: Marty Siegel on Direct Instruction Engineering and the Future of EdTech

Doug Lemov Teach Like a Champion Zach Groshell

S5E08: Doug Lemov on “What to Do” and Active Observation Techniques

In this episode of Progressively Incorrect, I’m re-joined by Doug Lemov—author of Teach Like a Champion and The Coach’s Guide to Teaching, and one of the most influential figures in the history of education. Doug has spent decades studying what the best teachers do differently—turning the art and science of teaching into something that can … Continue reading S5E08: Doug Lemov on “What to Do” and Active Observation Techniques

Denarius Frazier and Zach Groshell

S5E07: Denarius Frazier on Belonging, Rigor, and Scaling Effective Teaching

In this episode of Progressively Incorrect, I’m joined by Denarius Frazier—Regional Superintendent of Instruction at Uncommon Schools, co-author of Reconnect: Building School Culture for Meaning, Purpose, and Belonging, and perhaps the best teacher ever captured on film. Link to blog and video Denarius is one of the most thoughtful and influential voices in the Teach … Continue reading S5E07: Denarius Frazier on Belonging, Rigor, and Scaling Effective Teaching

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

How to Make Coaching Work — Every Time, With Every Teacher

When I first started teaching, I was fortunate. I got paired with two people who made a real difference in my development: a math coach and my mentor teacher. Neither had a formal coaching framework. They didn’t have an evidence-informed approach or shared language for what “good” looked like. Still, they helped me grow - … Continue reading How to Make Coaching Work — Every Time, With Every Teacher

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

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

Direct Instruction Motivation, Part 3: Success, Not Struggle

Direct Instruction Motivation, Part 3: Success, Not Struggle

This series explores a rarely discussed strength of direct instruction: its power to motivate students. While critics often paint explicit teaching as boring or uninspiring, the truth is that its structure, pace, and design motivate kids better than any other system. There is a certain romance in education about the idea of “Productive Struggle.” The notion goes … Continue reading Direct Instruction Motivation, Part 3: Success, Not Struggle