“…The environment of small group problem solving provides a natural setting "to supply explanations and elaborate [one's] reasoning" (Kramarski, Mevarech, & Arami, 2002, p. 228); it encourages interpersonal monitoring and reflection (Artzt & Armour-Thomas, 1992); and, it makes students negotiate with each other on viable solutions (Ben-Ari & Kedem-Friedrich, 2000;Lambert, 2002). Past studies have described how the patterns of classroom interactions may facilitate or impede learning (Goos, 2004;Goos & Galbraith, 1996;Goos, Galbraith, & Renshaw, 2002;Lau, Singh, & Hwa, 2009;Truxaw & DeFranco, 2008;Zolkower & Shreyar, 2007).…”