Why Mixing Up What You Study Actually Makes It Stick

Interleaving practice—mixing related concepts instead of drilling one at a time—produces better learning efficiency and retention than traditional study methods. Peter Hollins explains the neuroscience: why this approach strengthens working memory, improves skill acquisition, and builds mental flexibility for long-term retention.

⏱ CHAPTERS

0:00 Intro

2:15 Interleaving Technique Overview

4:28 Benefits and Challenges of Interleaved Practice

7:10 Spacing Learning for Better Memory Retention

10:25 Zone of Proximal Development (ZPD)

13:15 Minimizing Extraneous Cognitive Load

16:05 Managing Cognitive Overload in Study Sessions

19:18 Strategies to Reduce Mental Fatigue and Enhance Focus

22:42 Illusion of Productivity Through Cramming

27:15 Pretesting as a Learning Strategy