Guide
Cognitive Load
The amount of mental effort required to process information, which good technical writing aims to minimize through structure and pacing.
Published
Contents
Definition
The amount of mental effort required to process information, which good technical writing aims to minimize through structure and pacing.
Cognitive load refers to the amount of working memory resources used when learning or processing information. Technical writing should minimize extraneous load while managing intrinsic complexity.
Types
Intrinsic Load
- The inherent complexity of the material
- Cannot be eliminated, only managed
Extraneous Load
- Unnecessary mental effort from poor presentation
- Should be eliminated through better design
Germane Load
- Effort devoted to learning and schema building
- Should be maximized
Reducing Load in Writing
- Clear structure and headings
- Chunking information
- Progressive disclosure
- Consistent terminology
- Visual hierarchy
- Worked examples
Signs of High Cognitive Load
- Readers lose their place
- Frequent need to re-read
- Difficulty connecting concepts
- Abandoning the content