“…Some specific processes that have been associated with increased achievement include asking questions (A. King, 1991), discussing problem-solving strategies (Chizhik, 2001), observing someone else's problem-solving strategies (Azmitia, 1988), teaching a peer (Schwartz & Okita, Submitted for publication), resolving a disagreement or conflict (Buchs, Butera, Mugny, & Darnon, 2004;Johnson, Johnson, & Smith, 2000) and explaining one's thinking (Fawcett & Garton, 2005;Nattiv, 1994;Webb, 1991). Asking questions without receiving answers has been shown to have a negative effect on achievement (Webb & Mastergeorge, 2003).…”