Reading materials are considered having high readability if readers are interested to read the materials, understand the content of the materials and able to read the materials fluently. In contrast, reading materials with low readability discourage readers from reading the materials, create difficulties for readers to understand the content of…

Compared the grade level difficulty obtained from seven readability formulas to student reading levels from two national standardized tests to determine which formulas best determined the readability of computer-based text. Found that the Flesch-Kincaid, FOG, and ARI formulas provided the best estimate of reading grade level of computer-based text…