“…We chose to focus on morphology and syntax because of their documented relations with both academic language (Brisk & Zhang-Wu, 2017;Uccelli et al, in press) and reading comprehension (Proctor, Silverman, Harring, & Montecillo, 2012;Silverman et al, 2015). In line with previous research, morphology instruction included a focus on common prefixes, suffixes (Baumann et al, 2003;Goodwin & Perkins, 2015;Kieffer & Lesaux, 2007), and root word meanings (Reed, 2008) via word study techniques (Bear, Templeton, & Invernizzi, 2008;Ganske, 1999). Building on work on supporting syntax, instruction also targeted tracking pronominal references, identifying tense, and connecting ideas in complex sentences using sentence mapping, combining, and segmenting (Stoddard, Valcante, Sindelar, O'Shea, & Algozzine, 1993; P.A.…”