Structural quality in childcare centers is considered a precondition for process quality, which in turn is related to children's outcomes. However, the evidence on relations between structural and process quality is mixed. Moreover, despite strong theoretical claims, empirical evidence supporting the indirect relation of structural features…

Professional development for teachers has historically been fairly didactic in nature (Garet et al., 2001; Rose & Church, 1998), which is believed to limit effectiveness and translation to teacher practice change (Fixsen, Naoom, Blase, Friedman, & Wallace, 2005). One well-established program with a more active, collaborative training…