“…The strategies emphasized were MLT, systematic error correction, and unison responding. These strategies were selected because they are widely applicable and because previous research has demonstrated their effi cacy with both computation and problemsolving math skills (Armendariz & Umbreit, 1999;Brent & DiObilda, 1993;Christie & Schuster, 2003;Crawford & Snider, 2000;Engelmann, Carnine, Kelly, & Engelmann, 1996;Lambert, 2002;Lambert, Cartledge, Heward, & Lo, 2006;McKenzie, MarchandMartella, Martella, & Moore, 2004;Snider & Crawford, 1996;Tarver & Jung, 1995;Vreeland et al, 1994;Wellington, 1994;Wheatley, 1986). Figure 5 provides a chronological explanation of the inservice and coaching intervention.…”