The Dale-Chall Readability Formula predicts prose difficulty from the share of unfamiliar words and the average sentence length. It flags possible lexical and syntactic burden for editors. The 1948 and 1995 versions differ, and neither score proves that readers understand a message or can act on it.
- FamilyTool
- CategoryMeasurement & Assessment Instruments
- DomainMeaning & Clarity
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.