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…

This article emphasizes the importance of providing students with materials on the appropriate level of challenge. Major readability formulas and leveling systems that might be used to assess the difficulty level of materials are reviewed. It recommends using both objective and subjective factors when estimating readability levels. (Contains…

This article discusses the reading fluency and comprehension problems of struggling secondary students who can read, with assistance, on a fourth-grade reading level or above. Difficulties with vocabulary and sentence construction are described, along with problems with pronoun reference and noun substitutions, metaphor, and conventions of print.…

This article explores the relationships between vocabulary knowledge and text readability. It discusses how procedures used by readability formulas to assess the vocabulary factor can over- or underestimate text difficulty by counting syllables rather than assessing what the reader knows about the words in a text. (Contains references.) (Author/CR)