Lenzner, Timo - In: Sociological Methods & Research 43 (2014) 4, pp. 677-698
Readability formulas, such as the Flesch Reading Ease formula, the Flesch–Kincaid Grade Level Index, the Gunning Fog Index, and the Dale–Chall formula are often considered to be objective measures of language complexity. Not surprisingly, survey researchers have frequently used...