The Automated Readability Index (ARI) estimates the surface difficulty of written text from characters per word and words per sentence, reported as an approximate U.S. school grade. It supports quick screening of drafts but does not measure whether readers understand or act correctly.
- FamilyTool
- CategoryMeasurement & Assessment Instruments
- DomainRisk, Crisis & Safety
What these mean
Editorial orientation · Family
Tool
In this series, Tool names the editorial family primarily used to act on, examine, measure or organize communication. It includes instruments, methods, practices, protocols, codes and institutional arrangements. Membership does not certify effectiveness, portability or safe use in every setting.
Editorial orientation · Category
Measurement & Assessment Instruments
Produces measures, scores, profiles or assessments through defined items, observations or measurement rules. The entry identifies what is measured and the conditions governing interpretation.