“…Research on the optimal focus of the training suggests that it is preferable to focus on intervention principles, rather than teaching the details of manuals (Abramowitz, 2006;Hayes, 2002;Miller, Yahne, Moyers, Martinez, & Pirritano, 2004). When it comes to ongoing support as in supervision, consultation, or coaching, literature suggests that a focus on a practitioners own functioning is the most effective way to enable them to deliver the intervention (Berger & Kleine, 2013;Voogden & Kuyvenhoven, 2010).…”