Analyse Context of Use
http://www.usabilitynet.org/tools/context.htm

UsabilityNet
2006

Abstract:

Who are the intended offsiteuser and what are their offsitetask? (Why will they use the system? What is their experience and expertise?) What are the offsitetechnical and offsiteenvironmental constraints? (What types of hardware will be used in what organisational, technical and physical environments?)