S5E09: Marty Siegel on Direct Instruction Engineering and the Future of EdTech
23 Nov 2025
Contributed by Lukas
In this episode of Progressively Incorrect, I’m joined by Marty Siegel, Professor Emeritus of Info...
S5E08: Doug Lemov on “What to Do” and Active Observation Techniques
11 Nov 2025
Contributed by Lukas
In this episode of Progressively Incorrect, I’m re-joined by Doug Lemov—author of Teach Like a C...
S5E07: Denarius Frazier on Belonging, Rigor, and Scaling Effective Teaching
25 Oct 2025
Contributed by Lukas
In this episode of Progressively Incorrect, I’m joined by Denarius Frazier—Regional Superintende...
S5E06: Jessica Colleu Terradas & Jon Owen on Direct Instruction Without Borders
19 Oct 2025
Contributed by Lukas
In this podcast episode, I’m joined by Jessica Colleu Terradas and Jon Owen, two international lea...
S5E05: Anna Stokke on Where Math Education Went Wrong—and How to Fix It
10 Oct 2025
Contributed by Lukas
In this episode of Progressively Incorrect, I’m joined by Anna Stokke—mathematician, professor, ...
S5E04: Marcie Samayoa on NGSS and Explicit Science Instruction
28 Sep 2025
Contributed by Lukas
In this episode, I’m joined by Marcie Samayoa—science teacher, cognitive science enthusiast, and...
S5E03: John Mighton on Building Math Confidence, One Problem at a Time
20 Sep 2025
Contributed by Lukas
In this episode, I’m joined by Dr. John Mighton — mathematician, playwright, best-selling author...
S5E02: Linda Diamond & Paige Pullen on Connecting Learning, Literacy, and Instruction
15 Sep 2025
Contributed by Lukas
In this powerful episode, I’m joined by two of the most influential voices in literacy education t...
S5E01: Greg Ashman on Explicit Teaching and Inquiry Learning
02 Sep 2025
Contributed by Lukas
Welcome to Season 5 of Progressively Incorrect! In this special premiere episode, I’m joined by Gr...
S4E39: Shawn Datchuk on Teaching Sentence Construction with Precision
10 Aug 2025
Contributed by Lukas
In this episode of Progressively Incorrect, I’m joined by Dr. Shawn Datchuk, a leading researcher ...
S4E38: Nathan Lang-Raad on Learning Science and Artificial Intelligence
06 Aug 2025
Contributed by Lukas
In this episode of Progressively Incorrect, I’m joined by Nathan Lang-Raad for a wide-ranging conv...
S4E37: John Tanner on Tests, College, and Cheating Scandals
02 Aug 2025
Contributed by Lukas
In this episode of Progressively Incorrect, I sat down with a personal friend whose work I deeply re...
S4E36: Bonnie Grossen and Kurt Engelmann on Full Immersion Direct Instruction
21 Jul 2025
Contributed by Lukas
In this episode of The Direct Instruction Podcast – cross-posted on Progressively Incorrect – I’...
S4E35: Stephanie Stollar, Diane Kinder, and Marcy Stein on MTSS and Direct Instruction
01 Jul 2025
Contributed by Lukas
In this episode of The Direct Instruction Podcast - cross-posted on Progressively Incorrect - I’m ...
S4E34: Jonah Davids on the Debates Over Restorative Justice and SEL
16 Jun 2025
Contributed by Lukas
In this episode of Progressively Incorrect, I’m joined by Jonah Davids. Jonah and I met while part...
S4E33: Peps Mccrea on Great Teaching and Human Flourishing
09 Jun 2025
Contributed by Lukas
In this episode of Progressively Incorrect, I am delighted to host Peps Mccrea, the Director of Educ...
S4E32: Rachel Ball on Scaffolded Instruction and Adaptive Teaching
14 May 2025
Contributed by Lukas
In this episode of Progressively Incorrect, I am delighted to host Rachel Ball, Coaching Development...
S4E31: Laura Stam on Integrating Explicit Teaching Practices into Elementary Classrooms
28 Apr 2025
Contributed by Lukas
In this episode of Progressively Incorrect, I’m delighted to host Laura Stam, a dedicated advocate...
S4E30: Ronak Bhatt on Accelerated Learning and Homogeneous Grouping
21 Apr 2025
Contributed by Lukas
In this episode of Progressively Incorrect, I’m honored to host Ronak Bhatt, the accomplished foun...
S4E29: Rachel Sewell on the Ingredients of Effective Professional Development
13 Apr 2025
Contributed by Lukas
In this episode of Progressively Incorrect, I am delighted to host Rachel Sewell, Coaching Developme...
S4E28: Jonathan Regino on Curriculum Evaluation and Math Coaching
07 Apr 2025
Contributed by Lukas
In this episode of Progressively Incorrect, I am thrilled to host Jonathan Regino, an innovative edu...
S4E27: Richard Mayer on the Cognitive Theory of Multimedia Learning
31 Mar 2025
Contributed by Lukas
Today, I am thrilled to host Richard Mayer on Progressively Incorrect, a distinguished educational p...
S4E26: Lynn Gaffney on Bridging Leadership and the Science of Learning
23 Mar 2025
Contributed by Lukas
Today, I am thrilled to host Lynn Gaffney on Progressively Incorrect, a passionate educator and lead...
S4E25: Daisy Christodoulou on Assessment Practices and Challenges
11 Mar 2025
Contributed by Lukas
Today, I am thrilled to host Daisy Christodoulou, an esteemed author and education expert renowned f...
S4E24: Randi Saulter and Ann Baum on DI in Special Education Settings
08 Mar 2025
Contributed by Lukas
Today I am excited to be bringing you an episode of the DI podcast with Randi Saulter and Ann Baum. ...
S4E23: Faith Borkowsky and Judy Boksner on “What’s Hot” in Literacy
03 Mar 2025
Contributed by Lukas
Hi everyone, Zach Groshell here. Avid readers of my website will know that I was recently on a show ...
S4E22: J.R. Wilson and Barry Garelick on Engagement and Conceptual Teaching in Math
24 Feb 2025
Contributed by Lukas
Welcome back to Progressively Incorrect. Fans of my blogs might remember the interview series that J...
S4E21: Judith Hochman, Christine Teahan, & Toni-Ann Vroom on the Writing Revolution
16 Feb 2025
Contributed by Lukas
As we get closer to Spring, I am excited to be working with The Writing Revolution as part of my con...
S4E20: Doug Carnine on Advocacy for Evidence
05 Feb 2025
Contributed by Lukas
A few years ago, I came upon a paper titled, "Why Educators Resist Effective Practices" with the pro...
S4E19: Thinking Out Loud… Is Rehearsal Necessary for Effective Coaching and PD?
20 Jan 2025
Contributed by Lukas
I am excited to bring you an episode of the Thinking Out Loud series with my friend, Gene Tavernetti...
S4E18: Blake Harvard on Attention and Memory Constraints
14 Jan 2025
Contributed by Lukas
In this episode, I chat with Blake Harvard, aka The Effortful Educator, about applying cognitive psy...
S4E17: Kris Boulton on Atomization, DI Principles, and Unstoppable Learning
10 Jan 2025
Contributed by Lukas
In this episode, I chat with Kris Boulton, a legend in the space of translating principles of Direct...
S4E16: Natalie Wexler on Knowledge, Cognitive Science, and Beyond Phonics
01 Jan 2025
Contributed by Lukas
In this episode, I catch up with Natalie Wexler to discuss her new book, Beyond the Science of Readi...
S4E15: Brendan Lee and Zach Groshell on Effective Leadership
23 Dec 2024
Contributed by Lukas
Welcome back to Progressively Incorrect, a show sponsored by John Catt from Hodder Education and hos...
S4E14: Kim Lockhart on Supporting L2 Learners with the Science of Reading
16 Dec 2024
Contributed by Lukas
Today I am excited to bring you an interview with Kim Lockhart. Kim's work focuses on the science of...
S4E13: Catherine Thevenot on Counting on Your Fingers
08 Dec 2024
Contributed by Lukas
Should students be taught to count on their fingers? Today I am excited to bring you an interview wi...
S4E12: Jan Hasbrouck on Reading Fluency and Direct Instruction
01 Dec 2024
Contributed by Lukas
Welcome back to Progressively Incorrect. My name is Dr. Zach Groshell, and today I am excited to bri...
S4E11: Sally Bergquist on Explicit Writing Lessons for K-2
26 Nov 2024
Contributed by Lukas
Welcome back to Progressively Incorrect, I am your host, Dr. Zach Groshell. This episode is a conver...
S4E10: Nathaniel Swain, Steven Capp, and Katie Roberts-Hull on Harnessing the Science of Learning
18 Nov 2024
Contributed by Lukas
Welcome back to Progressively Incorrect, a show sponsored by John Catt from Hodder Education and hos...
S4E9: Thinking Out Loud… What is it Like to be Coached?
08 Nov 2024
Contributed by Lukas
I am excited to bring you an episode of the Thinking Out Loud series with my friend, Gene Tavernetti...
S4E8: Christopher Such on Practical Approaches to Science of Reading Implementation
03 Nov 2024
Contributed by Lukas
Welcome back to Progressively Incorrect, a show sponsored by John Catt from Hodder Education and hos...
S4E7: Brendan Lee and Zach Groshell on Coaching, Culture and Change
27 Oct 2024
Contributed by Lukas
Welcome back to Progressively Incorrect, a show sponsored by John Catt from Hodder Education and hos...
S4E6: Robin Codding on Fluency and Strategies to Support Intervention Implementation
19 Oct 2024
Contributed by Lukas
Welcome back to Progressively Incorrect, a show sponsored by John Catt from Hodder Education and hos...
S4E5: Steplab + Teach Like a Champion with Doug Lemov, Josh Goodrich, and Peps Mccrea
12 Oct 2024
Contributed by Lukas
Welcome back to Progressively Incorrect, a show sponsored by John Catt from Hodder Education and hos...
S4E4: Tamara Bressi on Effective Coaching for Direct Instruction
26 Sep 2024
Contributed by Lukas
Welcome back to Progressively Incorrect, a show sponsored by John Catt from Hodder Education and hos...
S4E3: Brendan Lee and Zach Groshell on the Nuances of Teaching Effectively
20 Sep 2024
Contributed by Lukas
Welcome back to Progressively Incorrect, a show sponsored by John Catt from Hodder Education and hos...
S4E2: Rodrigo Lopez on Putting Principles into Practice in Chile
10 Sep 2024
Contributed by Lukas
Welcome back to Progressively Incorrect, a show sponsored by John Catt from Hodder Education and hos...
S4E1: Just Tell Them – The Power of Explanations and Explicit Teaching
05 Sep 2024
Contributed by Lukas
Welcome back to Progressively Incorrect, a show sponsored by John Catt from Hodder Education and hos...
S3E21: Paul Kirschner on “Let’s Talk Evidence” and the Latest Debates Over Inquiry Learning
26 Jun 2024
Contributed by Lukas
Welcome back to Progressively Incorrect and to the season 3 Finale of this podcast. In this final ep...
S3E20: Casey Sovo on Improving Reading Outcomes for Indigenous Students
23 Jun 2024
Contributed by Lukas
Welcome back to Progressively Incorrect, I am your host, Dr. Zach Groshell. This episode is the seco...
S3E19: Marcy Stein and Bernadette Kelly on Direct Instruction Mathematics
22 Jun 2024
Contributed by Lukas
Welcome back to Progressively Incorrect, I am your host, Dr. Zach Groshell. Today I am excited to be...
S3E18: Meg Lee and Jim Heal on Evidence-Informed Practice at Scale
15 Jun 2024
Contributed by Lukas
Welcome back to Progressively Incorrect, I am your host, Dr. Zach Groshell. Today I am thrilled to b...
S3E17: Scott Hill on Evidence-Informed School Leadership
10 Jun 2024
Contributed by Lukas
Welcome back to Progressively Incorrect, I am your host, Dr. Zach Groshell. Today I am very excited ...
S3E16: Haili Hughes on Tools and Structures for Effective Coaching
02 Jun 2024
Contributed by Lukas
Welcome back to Progressively Incorrect, I am your host, Dr. Zach Groshell. Today I am very excited ...
S3E15: Corey Peltier on Scientifically Informed Math Interventions
25 May 2024
Contributed by Lukas
Welcome back to Progressively Incorrect, I am your host, Dr. Zach Groshell. Today I am very excited ...
S3E14: Stephanie Stollar on Structured Literacy that is Truly Responsive
29 Apr 2024
Contributed by Lukas
My guest today is literacy expert, Stephanie Stollar. Stephanie is one of my go-to sources for scien...
S3E13: Jean Stockard on the Effectiveness of Direct Instruction
21 Apr 2024
Contributed by Lukas
Welcome back to Progressively Incorrect, I am your host, Dr. Zach Groshell, and this week I am excit...
S3E12: Carl Hendrick and the researchED US Panel
14 Apr 2024
Contributed by Lukas
Welcome back to Progressively Incorrect, my name is Dr. Zach Groshell, and today I am so excited to ...
S3E11: Kimberly Berens on Blind Spots and Behavior Science
03 Apr 2024
Contributed by Lukas
In this episode of Progressively Incorrect, I have the great pleasure of interviewing Kimberly Beren...
S3E10: Linda Carnine, Susie Andrist, and Jerry Silbert on What Was Project Follow Through?
17 Mar 2024
Contributed by Lukas
Welcome back to Progressively Incorrect. My name is Dr. Zach Groshell and this week I am excited to ...
S3E9: Science of Math Panel featuring Sarah Powell, Amanda VanDerHeyden, Anna Stokke, and Nathaniel Hansford
13 Mar 2024
Contributed by Lukas
Welcome back to Progressively Incorrect, a show hosted by me, Dr. Zach Groshell. Today I am very exc...
S3E8: Trisha Jha on Australia’s Science of Learning Movement
02 Mar 2024
Contributed by Lukas
We're going to be talking about educational policy today, specifically around the growing Science of...
S3E7: Kurt Engelmann and Bryan Wickman on Direct Instruction (DI)
05 Feb 2024
Contributed by Lukas
Welcome back to Progressively Incorrect. My name is Dr. Zach Groshell, and for this episode, I am ex...
S3E6: Kent Johnson and Andrew Kieta on Behavioral Education
29 Jan 2024
Contributed by Lukas
Today we are going to be talking to Kent Johnson and Andrew Kieta, who run a very unique school that...
S3E5: Gene Tavernetti on Making Instructional Coaching Work
16 Jan 2024
Contributed by Lukas
Welcome back to Progressively Incorrect. My name is Dr. Zach Groshell and, in this episode, we're go...
S3E4: Patrice Bain on “The Room Where it Happened”
21 Dec 2023
Contributed by Lukas
In this episode we’re delving into the inspiring tale of a real-life classroom, aka ‘The Room Wh...
S3E3: Craig Barton and Ollie Lovell on Tools and Tips for Teachers
13 Dec 2023
Contributed by Lukas
Today I have the great pleasure of bringing you a very special episode featuring two of my podcastin...
S3E2: Amanda VanDerHeyden on the Math Wars and MTSS
27 Nov 2023
Contributed by Lukas
Welcome back everyone to Progressively Incorrect. My name is Dr. Zach Groshell and, in this episode,...
S3E1: Tom Sherrington and Oliver Caviglioli on Instructional Coaching
04 Nov 2023
Contributed by Lukas
Welcome back to Progressively Incorrect. My name is Dr. Zach Groshell, and I have the great pleasure...
S2E26: Dan Willingham on Applying Cognitive Science to K12 Education
30 Apr 2023
Contributed by Lukas
I am very excited to be sharing this special episode with you, the Season 2 Finale of this podcast, ...
S2E25: Pamela Snow on Early Language and Literacy Skills
31 Mar 2023
Contributed by Lukas
In this episode of Progressively Incorrect, I am joined by Dr. Pamela Snow. Dr. Snow is a professor ...
S2E24: Nidhi Sachdeva on Microlearning with Cognitive Science Principles
16 Mar 2023
Contributed by Lukas
In this episode of Progressively Incorrect, I interview Nidhi Sachdeva, a Toronto-based PhD candidat...
S2E23: Tracing Woodgrains on Student Loan Forgiveness, Tracking, and Internet Garbage
27 Feb 2023
Contributed by Lukas
In this episode of Progressively Incorrect, I'm joined by Tracing Woodgrains. Trace is the Chief of ...
S2E22: Adam Boxer on Homework and Building Ratio
13 Feb 2023
Contributed by Lukas
In this episode, I will be speaking to an absolute legend of teacher blogging and lefty-trad educati...
S2E21: Marcy Stein on Engelmann’s Direct Instruction and Project Follow Through
06 Feb 2023
Contributed by Lukas
I have a very special guest for you this week! Dr. Marcy Stein, professor emeritus and lead author o...
S2E20: Nathaniel Swain on the way out of the Educational Zeitgeist
31 Jan 2023
Contributed by Lukas
In this episode of Progressively Incorrect, I chat with Dr. Nathaniel Swain about the work he is doi...
S2E19: Daniel Bundred on Tackling Behavior in Tricky Schools
23 Jan 2023
Contributed by Lukas
In this episode of Progressively Incorrect, we will continue our journey through the education debat...
S2E18: Milou van Harsel on Worked Examples and Self-Regulated Learning
16 Jan 2023
Contributed by Lukas
On the one hand, we can imagine that starting by having students explore the problem could help them...
S2E17: Saskia Giebl on the Bjork Lab and Googling for Learning
13 Dec 2022
Contributed by Lukas
Welcome back to Progressively Incorrect, a podcast about artificial intelligence, emotional intellig...
S2E16: Rod Naquin and North Landesman on researchED US
05 Dec 2022
Contributed by Lukas
In this episode, I will be speaking with Rod Naquin and North Landesman, two fantastic educators who...
S2E15: Jade Pearce on Evidence-Informed Education
28 Nov 2022
Contributed by Lukas
In this episode, we are going to be talking about the road to becoming an evidence-informed school w...
S2E14: Ryan Campbell on Nuance and Educational Leadership
21 Nov 2022
Contributed by Lukas
In this episode I interview Ryan D. Campbell, a teacher and associate principal who has spent the ma...
S2E13: Sarah Cottingham on Retrieval Practice and Diagnosing Teaching Problems
06 Nov 2022
Contributed by Lukas
In this episode, Sarah Cottingham discusses effective teacher professional development, as well as o...
S2E12: Katharine Birbalsingh on Discipline and Traditional Education
31 Oct 2022
Contributed by Lukas
In this episode, I have the pleasure of interviewing Britain's "strictest" headmistress, Katharine B...
S2E11: Bradley Busch on Illuminating the Science of Learning
23 Oct 2022
Contributed by Lukas
This week I'm speaking with an all-around legend, Bradley Busch, co-author of The Science of Learnin...
S2E10: Jim “Broccoli Guy” Allen on Substitute Teaching
16 Oct 2022
Contributed by Lukas
In this episode of the Progressively Incorrect podcast, I talk substitute and supply teaching with B...
S2E9: Nate Joseph on Meta-Analysis and the Scientific Principles of Teaching
10 Oct 2022
Contributed by Lukas
Somehow, someway, we are already on episode 9 of season 2 of the Progressively Incorrect podcast! To...
S2E8: Kristin Simmers and Andrew Watson on the Role of Neuroscience in Education
02 Oct 2022
Contributed by Lukas
One of my biggest triggers is when a presenter at an education conference will claim, without being ...
S2E7: Jo Castelino on Structuring the Science Classroom for Optimal Learning
25 Sep 2022
Contributed by Lukas
In this episode of the amazing Progressively Incorrect podcast, I had the pleasure of interviewing J...
S2E6: Courtney Ostaff on Effective Teaching with Online Tools
19 Sep 2022
Contributed by Lukas
In this episode of the Progressively Incorrect podcast, I am excited to be talking to Courtney Ostaf...
S2E5: Becky Lim and Matt Rhoads on EdTech and Global Collaborations
11 Sep 2022
Contributed by Lukas
This is a lovely episode that I recorded towards the end of the summer featuring two of my favorite ...
S2E4: Sarah Powell on Myths that Undermine Math Teaching
06 Sep 2022
Contributed by Lukas
In this episode, I had the pleasure of interviewing Dr. Sarah Powell. Sarah is Associate Professor i...
S2E3: Tanya Crossman on Third Culture Kids and Raising Children Overseas
03 Sep 2022
Contributed by Lukas
In the previous episode of the Progressively Incorrect podcast, I spoke with Jasmine Lane about how ...
S2E2: Jasmine Lane on Subject Expertise and Why She’ll Never Go Back to Teaching in the U.S.
25 Aug 2022
Contributed by Lukas
In this episode of the Progressively Incorrect podcast, I had the pleasure of speaking with Jasmine ...
S2E1: Paul A. Kirschner on Minimally Guided Instruction and Cognitive Load
14 Aug 2022
Contributed by Lukas
In this episode of the Progressively Incorrect podcast, I had the pleasure of speaking with Paul A. ...
S1E10: Special Edition
28 Mar 2022
Contributed by Lukas
In this episode, Zach flies to the Midwest to meet up with Brad to tape a road trip edition of Progr...
S1E9: On Students’ (Mis)judgments of Learning and Teaching Effectiveness by Carpenter et al.
14 Mar 2022
Contributed by Lukas
In this episode of Progressively Incorrect, Zach Groshell and Bradley Arnold discuss "On Students’...
S1E8: The Dynamic Tension at the Core of the Grammar of Schooling by David F. Labaree
20 Feb 2022
Contributed by Lukas
In this episode of Progressively Incorrect, Zach Groshell and Bradley Arnold discuss "The Dynamic Te...
S1E7: Dewey Outlines Utopian Schools (1933) by John Dewey
13 Feb 2022
Contributed by Lukas
In this episode of Progressively Incorrect, Zach Groshell and Bradley Arnold discuss a New York Time...
S1E6: The Classroom Management Field Can’t Stop Chasing the Wrong Goal by Alfie Kohn
06 Feb 2022
Contributed by Lukas
In this episode of Progressively Incorrect, Zach Groshell and Bradley Arnold discuss "The Classroom ...