“…The conceptual framework for the tests are informed by theorized learning progressions in the domain of fractions (Empson & Levi, 2011;Kiearan, 1976;Siegler & Lortie-Forgues, 2015;Siegler & Pyke, 2013;Siegler, Thompson, & Schneider, 2011). The selection of items used on the Fall 2015 3-5 EMSA tests was informed by large-scale field tests of previous versions of the EMSA and assessment items adapted from versions provided in published literature (Baturo, 2004;Beckmann, 2005;Bright, Behr, Post, & Wachsmuth, 1988;Hackenberg, Norton, Wilkins, & Steffe, 2009;Lamon, 2005;Larson, 1980;Lewis & Perry, 2017;Massachusetts Department of Education, 2013;Pothier & Sawada, 1983;Saxe, Diakow, & Gearhart, 2013;Saxe, Kirby, Kang, Le, & Schneider, 2015;Schoen, LaVenia, Bauduin, & Farina, 2016a;2016b;Schoen, LaVenia, Champagne, Farina, & Tazaz, 2016;Schoen, Liu, Yang, & Paek, 2017).…”