“…2002, Banning 2004, Ndosi & Newell 2009). Other reasons cited are workload, staffing, environmental and contextual factors that prevent the nurse from being able to concentrate solely on the task of administration (Armitage & Knapman 2003, Armitage 2007, McBride‐Henry & Foreur 2007). Drug calculation difficulties are also a factor (Banning 2004, Preston 2004, Wright 2005.…”