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…

Readability formulas were originally conceived of as being evaluative measures. However, if a text is being rewritten or revised so that it matches a particular level of ability in its intended readers, it is rather inescapable that readability formulas will influence the changes made. Tacitly or not, formulas now are used to diagnose what causes…

Argues against the implicit use of readability formulas as guides to writing graded texts and urges experimental research to define the real factors constituting readability. (AEA)

In the past 30 or 40 years there has been much discussion about what factors contribute to readability in texts. In an attempt to characterize factors not measurable by current objective readability formulas, four texts that were adapted for younger readers were compared with their originals to see what kinds of changes adaptors had made and to…

The problems arising from treating word and sentence complexity as the direct causes of difficulty in comprehension are surveyed in this paper from the perspective of readability formulas. The basic choices and assumptions made in the development and use of readability formulas are discussed in relation to the larger question of text…

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…

To assist textbook adoption committees in answering the questions that arise as they consider basal reading series, this paper provides a discussion of readability. Following a brief introduction, the second section of the paper offers a background discussion of what readability really means. In addition, this section looks at three factors to…