“…In other words, both theories are directly relevant to important and pressing aspects of OA research. In the case of Innovation Diffusion Theory, we found it most often used to explore specific aspects of OA, particularly institutional repository development (Bamigbola, 2014;Dorner & Revell, 2012a;Kingsley, 2008;Pinfield et al, 2014;Stanton & Liew, 2011a;Swanepoel, 2005;Xu, 2008), OA journal development (Ayeni, 2017;Greco, 2016;Sanni, Ngah, Karim, Abdullah, & Waheed, 2013), and the availability and use of central OA funds (Hampson, 2014;Pinfield & Middleton, 2016). Other uses were broader, with the theory applied to the diffusion of OA in general terms (Costa, 2006;Xia, 2012).…”