The passage comprehensibility of three diagnostic reading tests--the Stanford Diagnostic Reading Test, the Spache Diagnostic Reading Scales, and the Durrell Analysis of Reading Difficulty--was evaluated using the following text variables: content familiarity, vocabulary, the number of idea units in the text, the number of text-based inferences…

Fry's Readability Graph was used to determine the readability levels of the 1981 Scott, Foresman and Co. basal textbook series for grades one through six. The readability levels were then compared to those established for the 1978 edition. In the 1981 edition, all stories were handscored. Poems, skill lessons, and plays were not examined in order…

A study investigated the readability of current laws for Canadian francophones and anglophones. The 63 subjects were asked to read a variety of brief legal texts available in parallel styles in both languages and to answer questions about the texts' content. Subjects were also surveyed about their preference for a formal or vulgarized style of…

In spite of their limitations, readability formulas can help teachers determine whether there are differences between students' reading abilities and the difficulty levels of the textbooks they are required to use. A study was conducted to assess the reading levels of students and the readability levels of textbooks at five selected junior…

This guide is intended for use in developing informational materials intended to be read by adults with limited reading skills. Most of the examples used throughout the guidelines relate to food and nutrition; however, the concepts they illustrate are applicable to any topic. The following topics are covering: knowing a written message's intended…

Readability formulas were applied to the drivers' manuals of each of the 50 United States and Puerto Rico to determine whether the manuals were appropriate materials for motivating reluctant or low achieving adolescent readers. Four 100-word samples were chosen from each manual, according to four themes common to each manual and of particular…

A checklist of criteria for evaluating textbooks in occupational education is presented, providing a rapid and effective way for instructors to assess occupational textbooks. The checklist encourages occupational education instructors and administrators to look at the qualities of textbooks that go beyond the subject content and readability levels…

Readability formulas can be useful tools in accomplishing their primary purpose--to give very general estimates of difficulty. Unfortunately, there has been a great deal of misunderstanding regarding their use, which has resulted in misuse and abuse. The formulas were designed to be applied post hoc to existing materials. They were not intended to…

Drawn from a symposium presented at the 1979 National Reading Conference, the four papers in this collection describe a notion of conceptual readability, an approach contrasting with traditional readability computations (number of words per sentence and degree of familiarity of individual words) and focusing on the concepts communicated by the…

The readability level of passages from three subtests of the Iowa Tests of Educational Development (ITED), Forms X-6 and Y-6, were compared with the readability level of passages selected from the Des Moines Resister, Reader's Digest, Time, Newsweek, Saturday Review, and 18 high school textbooks from the fields of social studies, science, and…

A study was conducted to test whether quantitative feedback would help students write with the stylistic simplicity appropriate to their audience and purpose without sacrificing other elements of good writing. Two business and technical writing classes received identical reading assignments, classroom activities, and writing assignments; but one…

On the assumption that the verbal complexity of written examination materials used to select personnel for a job should be similar to the verbal complexity of materials that must be read and understood on the job, the Flesch Reading Ease Index was applied to samples of the reading materials required for successful entry-level job performance in…

A study was designed to validate the Navy Readability Indices (NRIs) in an individualized instructional system using the criteria of comprehension and learning time. Two hundred Navy enlisted personnel enrolled in a computer-managed technical training course were tested for both comprehension and learning-time-to-criterion on four programmed…

Selection of instructional materials for business and distributive education programs is increasingly difficult because there are more materials, new courses, and programs, matching instruction to the student, and some teacher options. The writer presents steps for use by school personnel in evaluation and adoption of text materials. (MF)

Discusses the difficulty of determining the readability of textual material. (MKM)