“…We improve the generalizability of the survey responses using MRP to reweight the responses so that they better represent the full population of previously successful noncompleters in our partner colleges. While MRP has been used extensively in political science to measure public opinion in the United States (Gao et al, 2019;Gelman et al, 2010;Gelman & Little, 1997;Howe et al, 2015;Kastellec et al, 2019;Lax & Phillips, 2009;Lei et al, 2017;Lipps & Schraff, 2019;Little, 1993;Pacheco, 2011;Park et al, 2004;Wang et al, 2015;Warshaw & Rodden, 2012), and is increasingly used by political scientists outside of the United States (Lipps & Schraff, 2019;Toshkov, 2015), sociologists (Fairbrother & Martin, 2013), and epidemiologists (Downes et al, 2018;Eke et al, 2016;Zhang et al, 2014) to generate representative estimates from nonrepresentative data, it has been seldom used in surveybased educational research. 3 Following our general description above, MRP is implemented using this two-step process:…”