The planning of an introductory calculus textbook in classical mechanics is shown as an example of an approach to textbook design that uses four main cognitive categories: sources of learning, instruments of learning, processes of knowing, and mechanisms of knowing. The aspects, domains, description, and elements of each section of the textbook…

A study was conducted to examine learning from textbook sentences that provide examples. It was predicted that an example written succinctly and with a word order that emphasized its parallel semantic relations with the exemplified principle, such as "animals have parasites; dogs have fleas," would have a positive effect on idea comprehension. It…