Some factors that should be considered when science teachers produce materials for their students are presented. Readability and the key aspects of language (vocabulary, sentence structure, textbook or examination style, and organization and presentation) are discussed. Directions and the graph needed for estimating the reading level of materials…

Interviews with 16 deaf high school students and 9 teachers found that teachers underestimated the extent of students' independent comprehension of 3 types of text. The text perceived to be most difficult by both teachers and students was the most interesting to students (but not teachers) and fostered use of a greater variety of metacognitive…