In 2017, the Department of Biology at Virginia Wesleyan University modified its two-course introductory sequence in response to high DFW rates (>50% scoring a D, F, or withdrawing) in the first semester. The revised curriculum created a new third course and moved content that many students struggled with from the first semester to the third…

This manuscript describes the implementation of a Course-based Undergraduate Research Experience (CURE) sequence in chemistry that uses research to link a lower division, organic chemistry course to an upper-division, analytical chemistry course. In the CURE sequence, students created a library of modified sugar molecules during CURE-1, Organic,…

Learning progressions (LPs) present a potential tool to guide students toward deeper understanding of core concepts as they move through a curriculum. In addition to providing a theoretical scheme for education researchers, LPs can provide a powerful framework for instructors and students in organizing curricula. We have developed the outline of a…

Whether to engage student preconceptions to facilitate conceptual change is an area of debate among conceptual change theorists. Here, we evaluate the efficacy of a preconceptions-based instructional sequence about groundwater previously described by (Arthurs, 2019). To assess the impact this instructional sequence had on facilitating the…