Active learning narrows achievement gaps for underrepresented students in undergraduate science, technology, engineering, and math, others, Theobald Elli J, Hill Mariah J, Tran Elisa, Agrawal Sweta, E Arroyo Nicole, Behling Shawn, Chambwe Nyasha, Cintrón Dianne Laboy, Cooper Jacob D, and Dunster Gideon, Proceedings of the National Academy of Sciences, Volume 117, p.6476–6483 (2020)