Text classification and text gradation are important for language teachers. Profiling and readability studies examine textual and linguistic features that determine text difficulty. Arabic, as an under-resourced language, suffers from a lack of such studies which results in material developers and textbook writers relying on their intuitions and…

Following a brief discussion of two facets of written material readability--reading ease and human interest--two reasons why written instructional material may be so difficult to read are considered: use of technical vocabulary and abstract language. Suggestions to make written instructional materials more readable are provided. (MBR)