“…Studies of the effects of NBPTS certification on teacher knowledge and practice have explored how aspects of the assessment process lead to learning gains, identifying changes in science (Lustick & Sykes, 2006) and literacy instruction (Coskie & Place, 2008;Place & Coskie, 2006), and student assessment (Lustick & Sykes, 2006;Sato, Wei, & Darling-Hammond, 2008). Researchers have also investigated how National Board standards have been used as a tool in teachers' work as leaders, particularly in discussions of curricular improvement and teaching practices among colleagues (Koppich et al, 2007;Sato, Hyler, & Monte-Sano, 2002).…”