“…In the last 20 years, many prominent evaluators have been turning to the systems fields for concepts, theories, and methodologies to inform evaluation practice (Barnes et al, 2003; Byrne, 2013; Cabera et al, 2008; Callaghan, 2008; Eoyang and Berkas, 1999; Forss et al, 2011; Morell, 2010; Reynolds et al, 2012; Rogers, 2008; Sanderson, 2000; Westhorp, 2012; Williams and Imam, 2007; Williams and Hummelbrunner, 2011). The implications of this turn for evaluation practice are not yet clear (Mowles, 2014; Stern et al, 2015). Moreover, interest in systems concepts (e.g.…”