The purpose of the study was to assess the volume of academic vocabulary in elementary grades disciplinary textbooks. Academic vocabulary was examined in a corpus of best-selling elementary grades textbooks in three disciplinary areas--science, mathematics, and social studies. Academic words in texts were determined through automated procedures…

The narrowed curriculum continues to be challenging for science education as teachers strive to impart content that is on the high-stakes assessments. This Qualitative multiple-case study investigated four experienced, elementary classroom teachers' use of writing in science. It was designed to provide insight into teaching beliefs and practices…

This article presents data from a study examining secondary mathematics teachers' and science teachers' implementation of a language of instruction policy in Malaysia, which made English the medium for mathematics and science instruction. It explores the beliefs of math, science and language teachers, and how these beliefs influence their…

This study used an online peer assessment activity to help 47 college students to learn biology through writing. Each student submitted a biology writing report to an online system and then experienced three rounds of peer assessment. During the online peer assessment process, self, peer and expert evaluation scores for the writing were gathered…

In this study, we analyzed the quality of students' written scientific explanations found in notebooks and explored the link between the quality of the explanations and students' learning. We propose an approach to systematically analyzing and scoring the quality of students' explanations based on three components: claim, evidence to support it,…

The purpose of this study was to reconstruct writers' reasoning process as reflected in their written texts. The codes resulting from the text analysis were related to cognitive operations, ranging from simple to more sophisticated ones. The sequence of the cognitive operations as the text unfolded represents the writer's cognitive pathway at the…