Publication Date
In 2025 | 1 |
Since 2024 | 1 |
Since 2021 (last 5 years) | 2 |
Since 2016 (last 10 years) | 3 |
Since 2006 (last 20 years) | 9 |
Descriptor
Difficulty Level | 32 |
Textbook Evaluation | 32 |
Readability | 27 |
Readability Formulas | 18 |
Textbooks | 12 |
Reading Comprehension | 11 |
Content Analysis | 9 |
Reading Research | 9 |
Higher Education | 7 |
Content Area Reading | 6 |
Elementary Secondary Education | 6 |
More ▼ |
Source
Author
Publication Type
Education Level
Elementary Education | 4 |
Elementary Secondary Education | 2 |
Higher Education | 2 |
Postsecondary Education | 2 |
Secondary Education | 2 |
Adult Education | 1 |
Early Childhood Education | 1 |
Grade 1 | 1 |
Grade 4 | 1 |
Grade 6 | 1 |
High Schools | 1 |
More ▼ |
Audience
Practitioners | 5 |
Researchers | 2 |
Administrators | 1 |
Teachers | 1 |
Location
Canada | 2 |
United States | 2 |
Australia | 1 |
China | 1 |
Finland | 1 |
Ireland | 1 |
New Zealand | 1 |
Ohio | 1 |
Singapore | 1 |
South Africa | 1 |
South Korea | 1 |
More ▼ |
Laws, Policies, & Programs
Assessments and Surveys
Flesch Reading Ease Formula | 3 |
Dale Chall Readability Formula | 2 |
Flesch Kincaid Grade Level… | 2 |
Fry Readability Formula | 2 |
ACT Assessment | 1 |
Advanced Placement… | 1 |
National Assessment of… | 1 |
What Works Clearinghouse Rating
Chili Li; Xue Wang; Long Qian – SAGE Open, 2025
The effectiveness of English Language Teaching (ELT) materials significantly influences the learning outcomes of English as a Foreign Language (EFL) learners, positioning these resources as cardinal in the acquisition process. Despite this widely acknowledged significance, there remains a notable gap in research concerning the evaluation of key…
Descriptors: Syntax, Difficulty Level, Second Language Instruction, English (Second Language)
Gallagher, Tiffany; Fazio, Xavier; Ciampa, Katia – Canadian Journal of Education, 2017
Science curriculum standards were mapped onto various texts (literacy readers, trade books, online articles). Statistical analyses highlighted the inconsistencies among readability formulae for Grades 2-6 levels of the standards. There was a lack of correlation among the readability measures, and also when comparing different text sources. Online…
Descriptors: Comparative Analysis, Readability, Textbooks, Science Education
Yang, Kyungmo; Bae, Jiyoung – English Teaching, 2022
The purpose of this study was to investigate the continuity of reading passages of Korean high school English textbooks with the 2015 Revised National Curriculum using CohMetrix, a software that analyzes English texts in a range of linguistic features. Twentyone English textbooks were analyzed: 11 High School English, five High School English I,…
Descriptors: High School Students, English (Second Language), Second Language Learning, Second Language Instruction
Sibanda, Lucy – South African Journal of Childhood Education, 2014
This paper, deriving from a larger study, evaluates the readability of two Grade 4 natural sciences textbooks used by learners who speak English as an additional language in two South African schools. The study is set within the context of the reading-related transitional challenges faced by English second language learners when they move from the…
Descriptors: Readability, Grade 4, Natural Sciences, Foreign Countries
Sheehan, Kathleen M. – ETS Research Report Series, 2015
The "TextEvaluator"® text analysis tool is a fully automated text complexity evaluation tool designed to help teachers, curriculum specialists, textbook publishers, and test developers select texts that are consistent with the text complexity guidelines specified in the Common Core State Standards.This paper documents the procedure used…
Descriptors: Scores, Common Core State Standards, Computer Software, Computational Linguistics
Sheehan, Kathleen M.; Flor, Michael; Napolitano, Diane; Ramineni, Chaitanya – ETS Research Report Series, 2015
This paper considers whether the sources of linguistic complexity presented within texts targeted at 1st-grade readers have increased, decreased, or held steady over the 52-year period from 1962 to 2013. A collection of more than 450 texts is examined. All texts were selected from Grade 1 textbooks published by Scott Foresman during the targeted…
Descriptors: Text Structure, Content Analysis, Grade 1, Elementary School Students
Iseri, Kamil – Education, 2010
Texts are stated to have an important role in Turkish language education relevant to the goals stated in the Primary Schools Turkish Lesson Teaching Program and Guide (2006), and in the formation and improvement of the individual's reading culture. The aim of the study is to determine the comprehensibility levels of the texts in the Turkish…
Descriptors: Sentences, Grade 6, Foreign Countries, Turkish
Anderson, Jonathan – 1981
"Lasbarhetsindex" ("Lix") is a readability formula developed in Sweden that holds promise for assessing text difficulty in other languages, including English. So far three separate studies have been conducted to test Lix with French and English texts, with German and English texts, and with Greek and English texts. In all three…
Descriptors: Content Analysis, Difficulty Level, English, Foreign Countries

Bradley, John M.; Ames, Wilbur S. – Journal of Reading, 1984
Describes the Luiten, Ames, Bradley Readability Variation Method for estimating the variation within a text. Concludes that it is practical and relatively accurate. (HOD)
Descriptors: Content Analysis, Difficulty Level, Evaluation Methods, Readability

Froese, V. – Alberta Journal of Educational Research, 1981
Forty-two experienced teachers rated a set of reading passages by the SEER and the Rauding procedures. Findings indicated that the two procedures resulted in significantly different ratings, that teaching experience did not affect the rating, and that the SEER ratings agreed substantially with readability formula estimates of the same passages.…
Descriptors: Difficulty Level, Elementary Secondary Education, Foreign Countries, Readability
O'Hear, Michael F.; Ramsey, Richard N. – 1990
A study was conducted to determine whether there was any match between student perception of reading ease and the readability of three main line, first-year college composition texts (Daugherty; Kinneavy, McCleary, and Nakadate; Lauer, Montague, Lunsford, and Emig) as determined by five commonly used readability formulas. Two chapters (on…
Descriptors: Difficulty Level, Freshman Composition, Higher Education, Readability
Harwell, Michael; Lim, Brenda – 1996
The learning difficulties described by students in statistics courses continue to engage researchers from several disciplines. One source of difficulty for graduate students in educational statistics courses is the reading difficulty of the textbook. Instructors making decisions about a textbook typically have little information about the reading…
Descriptors: Difficulty Level, Education Majors, Graduate Students, Graduate Study

Dukes, Robert J., Jr.; Strauch, Katina – Physics Teacher, 1983
Parts 1 and 2 (SE 524 424 and 527 089) described Flesch readability for determining a text's reading level and results of applying the test to astronomy/physics textbooks. This part presents results for a new sample of texts, including calculus-level texts. A comparison with high school physics texts is provided. (JM)
Descriptors: Astronomy, College Science, Difficulty Level, High Schools
Chall, Jeanne S. – 1981
One of a series dealing with current issues affecting language arts instruction, this paper focuses on the conceptions and misconceptions of readability. The paper begins by noting that over the years, researchers in readability have had two major goals: to determine what makes written materials easy or difficult to read and comprehend, and to…
Descriptors: Content Analysis, Difficulty Level, Educational Trends, Elementary Secondary Education
Hllgendorff, Patricia H. – 1980
The revised Spache Readability Formula and the Fry Readability Formula were applied to 20 selected reading materials designed for adolescents reading at second grade level. Three samples from each text were examined. The results using the Spache formula corresponded to the publisher's stated readability levels, with no significant variability…
Descriptors: Comparative Analysis, Difficulty Level, High Interest Low Vocabulary Books, Readability