“…Second, more longitudinal work should be conducted to complement the mainly cross-sectional literature on L2 motivation. In the sample, "longitudinal" typically meant one semester or the better part of a school year (e.g., Busse, 2013;Campbell & Storch, 2011;Henry, 2017). In contrast, to truly advance this line of inquiry, researchers should document longer periods of time involving major changes in the learning environment (e.g., the semester before study abroad, the semester or year abroad, and the first semester back).…”