“…This study examined the impact of eliminating extraneous sound and light on student achievement. As noted earlier, neuroscience and cognitive psychology literature on the effect of sound and light on cognition and studies on the impact of sound on learning (Andrews, 1990;Bess et al, 1998;DiSarno et al, 2002;Dunn, 1990;Dunn & Griggs, 1990;Gadwa & Griggs, 1985;Kreisman, & Crandell, 2002) have indicated that in the typical classroom (Bronzaft & McCarthy, 1975;Evans & Maxwell, 1975;Maxwell & Evans,2000), various environmental and studentrelated factors interfere with listening and comprehending (Dockrell & Shield, 2006;Flexer, 2009). …”