“…Research has examined gains in oral fluency (Segalowitz & Freed, 2004), lexical and grammar development (Guntermann, 1995;Isabelli, 2004), the acquisition of phonology (Simoes, 1996;Diaz, 2004), reading competence (Brecht, Davidson, & Ginsberg, 1995;Lapkin, Hart, & Swain, 1995), listening comprehension skills (Allen, 2002;Brecht, Davidson, & Ginsberg, 1995;Kinginger, 2008), sociolinguistic skills (Barron, 2006;Hassall, 2006), strategy use (Lafford, 2004;Gao, 2006), and student perspectives on language learning (Isabelli, 2006;Tarp, 2006).…”