Tables
- Table 1
A description of some of the most commonly used readability measures with their determining variables and outputs [6–8]
Readability measure Determining variables Output Flesch reading ease/age Sentence length
Length of words (in syllables)A score out of 100 (where lower scores indicate more difficult text) and/or reading age Flesch–Kincaid grade level Sentence length
Length of words (in syllables)US educational grade, or the number of years of education generally required to understand the text Gunning fog index Average sentence length
Prevalence of words that are more than two syllablesUS educational grade, or the number of years of education generally required to understand the text