English Learners experience challenges related to comprehension of science text particularly at the high school level. The language of science differs significantly from that of conversation and expository text. Students benefit from collaborative interpretation of readings. Additionally, there appears to be a need to train adolescents in the oral…

In this design-based study, an eleven-week curricular module in recent American history was developed that departed from both the epistemology and ideology of traditional textbooks. The curriculum instantiated a constructivist epistemology by having students assess multiple historical narratives and sources of evidence. It instantiated a…

This study examined science textbooks over time to better understand the "science content" expectations that the U.S. educational system deems appropriate for 8th and 9th grade science students. The study attempted to answer the questions: (1) What specific science content has been presented via the textbook from 1952 to 2008? (2) Within…