Determines how the use of a science education program affected selected ninth-grade students' comprehension of science reading material. The different effects of the program depended on students' reading and mathematics scores. (Author/YP)

Studies the effect of intellectual development, degree of field independence, mental capacity, amount of prior genetics knowledge and amount of fluid intelligence on reading comprehension and/or genetics achievement of students enrolled in a nonmajor biology course. Concludes that developmental level was the most consistent predictor of…

Reports on misconceptions held by intermediate grade students concerning chemistry textbook concepts, on the relation of reasoning ability to those misconceptions, and on the extent that textbooks encourage misconceptions. Concludes that the level of understanding displayed for the selected concepts, in combination with the nature of students'…