Jung, Daniel, Megan DiBartolomeo, Fernando Melero-García, Lindsay Giacomino, Laura Gurzynski-Weiss, Carly Henderson, and Marian Hidalgo. 2020. “Tracking the Dynamic Nature of Learner Individual Differences: Initial Results from a Longitudinal Study”. Studies in Second Language Learning and Teaching 10 (1):177-219. https://doi.org/10.14746/ssllt.2020.10.1.9.