Section 04
Cognitive Load
Working memory is narrow, and the design of an explanation competes for it. These entries cover the effects that replicate — split attention, redundancy, expertise reversal — and stay explicit about the theory around them, which is argued over.

Entries in this section
3 of the register’s 21 entries.
- Cognitive load theoryJohn Sweller's account of why a badly built explanation costs more than the idea it carries.Robust, bounded
- Split attentionA diagram and its key placed apart force the reader to hold one while finding the other.Robust, bounded
- The expertise reversalSupport that helps a beginner measurably hinders an expert.Robust, bounded