“…Based on constructivist and ecological developmental theory, quality is centered on teacherechild interactions, with teachers intentionally building on children's knowledge in moment-to-moment exchanges (Mashburn et al, 2008;Pianta, Belsky, Houts, Morrison, & Network, 2007;Pianta, Belsky, Vandergrift, Houts, & Morrison, 2008). Key to this kind of interaction-based approach is a teacher who brings deep developmental and content knowledge, as well as familiarity with students' home resources to her practice (Graue et al, 2014). This last element of knowledge is especially important when working with children who are culturally different from their teachers (Tobin, 2010).…”