This paper presents a novel methodology to determine textbook readability. The method mainly relies on students' lexical coverage to determine the readability level of textbooks, taking into consideration that readability depends primarily on vocabulary knowledge and that it is a function of lexical coverage in teaching English as a Foreign…

Pictorial humorous illustrations were found to have (1) no effects on information acquisition and on motivation, (2) positive effects on appeal, and (3) negative effects on persuasiveness. (PD)

Presents research findings about textbook construction and how they should influence the development of chemistry texts. Discusses learning as a constructive process, the importance of interpreting symbolic representations, and the creation of structure by the learner. Advocates publisher responsibility for incorporating results of research when…

Describes a reading assessment technique (different from most reading level evaluations) involving identification of the concepts for study, categorizing the statements about the concept, and analysis both within and between texts. Analysis allows teacher to make judgments relating to convenient order of concepts, rate of development, and…

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…