The purpose of this Action Research study is to examine the current teaching methods in the virtual education setting and see how professional ideologies of educators may be influenced when introduced to new knowledge. The current education model heavily favors preparing for standardized tests, which the researcher contends is not an accurate…

This paper reports on a design-based implementation study of the use of a diagnostic classroom assessment tool framed on learning trajectories (LTs) for middle grades mathematics, where teachers and students are provided immediate data on students' progress along LTs. The study answers the question: "How can one characterize the challenges…