“…From these articles 10 are research focused (Table 1) and 135 associated with informing the NC debate. The critical review and synthesis of the empirical literature (Table 1) and some selected discussion papers on the NC (Berragan 1998, Schulmeister 1999, Adams 2000, Ashworth 2000, Wright 2000, Alderman & Lipley 2001, Harker 2001, Moore 2001, Snedd 2001, Da Costa 2002, Jones 2002, Watson 2002, Coady 2003, Meiner 2004, McSherry & Johnson 2005) provides evidence that evaluation of the NC role is taking place. The literature highlights the importance of evaluating the impact of the NC on a international (Hewitt & Tellier 1996, Happell et al.…”