Reviews the literature and research on readability. Examines early formulas that relied on sentence length and difficulty of vocabulary, the subsequent use of cloze procedure to measure text readability, and other factors now recognized as influences on the comprehensibility of a text. Concludes that readability formulas have not served education…

The development of readability formulas for the evaluation of foreign language texts began with research in the United States on reading materials used in second language learning and has extended to many other countries first by adaptation of formulas intended for English language texts and then by original investigation. There exist now many…

Discusses methods of textual documentation that can be used for software documentation. Highlights include measurement of text comprehensibility; methods for the measurement of documentation quality, including readability and the Cloze Procedure; tools for the measurement of text readability; and the development of the Reading Measurability…

The principles of readability are in every style manual. Readability formulas are in every writing aid. What is missing is the research and theory on which they stand. This short review of readability research spans 100 years. The first part covers the history of adult literacy studies in the U.S., establishing the stratified nature of the adult…

The purpose of this book is to introduce the research on readability, defined here as reading ease. The first part of the book covers how people read. A series of national literacy surveys show that the average person in the U.S. and most other countries are adults of limited reading skills. For example, the average adult in the U.S. reads at the…

Proposes that prediction and production variables used together tap both text and reader factors and provide a much improved analysis of readability. Finds that this kind of analysis will lead to more specific kinds of pedagogical strategies for teaching writing. (MS)

Examines the practical side of readablility in the United Kingdom as well as some theoretical considerations focused on research on text difficulty, microcomputer prediction of difficulty, validity of cloze procedure, and the effect when students rewrite textbook prose. (HOD)

This paper reviews seven research studies on the subject of readability. The first study reviewed is itself an extensive review of 30 readability formulas described by George A. Klare. Of these, five formulas considered to be interesting, unusual, or classic on the basis of high validity, simplicity or complexity, common or uncommon variables, and…