The texts in the textbooks are one of the basic materials in terms of conveying elements such as achievement, value, and competence in the curriculum. The fact that the texts are suitable for the level of the students helps the students understand and analyze the text better. In this study, it is aimed at determining the readability levels of the…

An interactive open-source calculus textbook is compared to a popular commercial textbook. Structured as a non-inferiority study, use of the open-source textbook does not harm student outcomes, and there is evidence that the open-source textbook is better than the commercial textbook in promoting post-course enjoyment of mathematics and confidence…

Viewing its use in language teaching mainly as a text corpus, this article examines the problem of the assessment of suitability of this material for use in the Greek language course in Cyprus schooling. The suitability of texts for use in language teaching is defined by four parameters, which are described in detail in this article: text…

The authors evaluated principles of macroeconomics textbooks for readability using Coh-Metrix, a computational linguistics tool. Additionally, they conducted an experiment on Amazon's Mechanical Turk Web site in which participants ranked the readability of text samples. There was a wide range of scores on readability indexes both among…

A corpus of current editions of statistics textbooks was assessed to compare aspects and levels of readability for the topics of "measures of center," "line of fit," "regression analysis," and "regression inference." Analysis with lexical software of these text selections revealed that the large corpus can…

Presents guidelines for use in examining the comprehensibility of a textbook, questions to ask about the book, and suggestions for using the guide questions. (FL)

Reports on the evaluation of readability levels of 16 public speaking textbooks and 7 skills-oriented interpersonal communication textbooks. Finds sizable differences among public speaking textbooks. Advocates using readability data in the process of textbook selection and suggests how to do so. (SR)

Major investigations have shown that children care little for social studies as a school subject. Therefore, a closer look was taken at social studies textbooks in order to ascertain if the reading difficulty of the texts was an important cause behind the children's dislike. This study evaluated the reading levels of 41 social studies texts…

Two brief studies on community college social science textbook readability are compiled in this document. The first study compared textbook readability in 1977 to the findings of previous research. When the readability levels of community college social science textbooks were compared with the reading levels of the community college population in…

Study was concerned with whether there is a practical difference between the reading ability of the eight, ninth, and tenth grade students and the readibility levels of their assigned textbooks in English, science and social studies. Findings show that most of the textbooks assigned were too difficult for effective instructional usage. (RB)

This study, conducted at a community college in mid-Missouri, compared the reading ability of students with the readability of the textbooks (aside from technical books) used in their classes. There were a total of 17 textbook/class comparisons. The reading level of students was determined by the Nelson-Denny Reading Test, revised edition, and…

Twenty-seven social psychology textbooks were rated for Flesch readability, student readability, Flesch interest, student interest, and student recommendation. (ND)

Discusses categories for science textbook analysis under the headings of: Readability, Content, Presentation of Material, Mathematical Demands, Appearance, Quality of Illustrations, and Teacher Aids. An analysis form is appended as a guide for science teachers and administrators in their evaluation and selection of appropriate science textbooks.…

Shows how a number of readability measures developed in English were applied to a textbook written in Hindi. Emphasizes that the more recent approaches to readability that focus on syntax, conceptual difficulty, and organization are a teacher's best help in selecting materials for students. (SR)