A series of eight manuals dealing with the triad text characteristics--learning processes--learning outcomes are being prepared for use by authors and editors as an aid in the design and writing of educational texts. These manuals are based upon a model for the functioning of text characteristics which in turn is part of a decision model for the…

What are textbooks that teach? How can they help solve pedagogical problems? How can their pedagogical design be improved? These questions were used to develop a problem-solving model of textbook design. Textbooks that teach evoke learner activities designed to achieve contemporary cognitive goals. Suggestions for using textbooks to help solve…

Principles of W. Kintsch's reading comprehension model (1978, 1980) were used to revise an expository text. Two experiments with 170 undergraduates and 125 Air Force recruits indicated that the principled revision conveyed the author's intentions better than the original text, suggesting the model's use for text improvement. (SLD)