“…The increase in student responding replicates the findings of several previous studies that have compared response cards with hand raising in a variety of environments with a wide range of learners (Christle & Schuster, 2003;Davis & O'Neill, 2004;Gardner, Heward, & Grossi, 1994;Godfrey, Grisham-Brown, Schuster, & Hemmeter, 2003;Kellum, Carr, & Dozier, 2001;Lambert, Cartledge, Heward, & Lo, 2006;Maheady et al, 2002;Marmolejo, Wilder, & Bradley, 2004;Narayan et al, 1990).…”