New editions of selected college textbooks have been found to be more difficult than former ones, and experiments show that students learn less effectively from the new editions. Guidelines are offered for choosing textbooks, such as writing style, conceptual density, and the utility of readability analyses. (Editor/LBH)

Focusing on what authors can do to facilitate learning from content area textbooks, this report labels authors as "considerate," providing text that readers can understand with a minimum of cognitive effort, or as "inconsiderate," creating text that requires a conscientious, highly skilled effort if readers are to comprehend…