“…Their proliferation has attracted criticisms that there are now too many models, theories and frameworks, and too little guidance on how to select the most appropriate one (Nilsen, 2015). Moreover, many of the models and frameworks lack both empirical testing and detail on practical strategies for their application (Pentland et al, 2011;Redman et al, 2015;Ward et al, 2009). Nevertheless, there is growing support for relationship models (which emphasise engagement between researchers and potential research users) over more linear 'push' or 'pull' approaches (Tetroe et al, 2008).…”