We examined social studies teachers' use of text and supports for reading text during their instruction as well as how their practices related to students' content acquisition. A total of 37 social studies teachers and their students (n = 572) participated and recorded their instruction during 3 instructional units. We documented the amount of…

As education policy in the U.S. focuses increasingly on the quality of classroom instruction, there is a growing need to identify valid constructs and develop reliable tools that measure student opportunities to learn academic knowledge and skills. The purpose of this study is to examine the relative contributions of two different classroom…