Identifies and describes major factors interacting with readability measures in 36 experimental studies analyzing the validity of such measures. (RB)

Writing, editing, and printing texts for schools has been the accepted role of publishers, while text researchers have concentrated on typography, content, and readability. The hundreds of readability formulas now available make readability the most sophisticated of these three areas. Research in reading comprehension suggests that publishers…

Two studies investigated the relationships between readability, prior knowledge, and interest in the material being read. In the first study, 169 college freshmen read cloze passages of materials from the Nelson-Denny Reading Tests, then one week later read the whole passages and completed the related multiple choice questions. A control group…