In this work, we developed an ontological tool, based on the scientific realism of Mario Bunge, for the analysis of the presentation of natural processes in science textbooks. This tool was applied to analyze the presentation of the concept of osmosis in 16 chemistry and biology books at different educational levels. The results showed that more…

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…

In order to improve the treatment of minorities in United States history textbooks, the National Education Association has developed guidelines for evaluating multiethnic materials. According to the guidelines, textbooks should portray cultural pluralism as a value to respect; present sexual, racial, religious, and ethnic groups in such a way as…

This volume is the second of a two-volume series which surveys the extent to which sex, race, and class bias can be found in commonly used elementary-level instructional materials in Manitoba, Canada. Analysis of materials used in grades four through six indicates that the negative biases present in the kindergarten through grade three materials…