A survey of the current research on readability formulas is presented in this paper, which distinguishes this research from research on the more general questions that surround formulas: What features of a text, particularly the language it is written in, make the text easy or difficult to read? and, What will predict that readers with particular…

Defining readability in both the narrow sense of formula use and refinement and the broader sense of the processing and comprehension of language, this paper argues for the need for more research focusing on readability as a way of improving the match between reader and text. Following a brief introduction, the paper reviews current readability…