The purpose of the study was to examine the effects of an instructional intervention and its professional development (PD) on the opinion and argumentative writing of middle school students and on teachers' instructional delivery. The study utilized a design-based methodology and collected qualitative and quantitative data in order to identify…

To teach science writing effectively, scholars encourage combining writing to learn with applications of the science writing heuristic. How teachers learn to do so remains under-examined. This essay follows a cohort of ninth-grade science teachers who collaborated in a project to develop, test, and revise such a combination of writing prompts for…