" Methods maketh the discipline, and I’d say that UX has some nice native methods in use with some others pulled in from other more traditional product marketing domains spliced up with advertising metrics. Importantly, the most interesting for me areHEARTPULSE which together represent some very innovative thinking which - with minor mods - can be directly applied from UX back to the wider Human Factors CS domain." A few months ago Rui made a post on measuring UX and the research methods employed - citing a paper presented by some Google UX Researchers at CHI 2010 as well as presenting a list describing the kinds of methods he proposes:

What I hear you cry, “single user studies can’t be valid, even ethnography’s have more than one user”. Well that’s what I was saying before reading Dix 2010 [1] which I covered last week. The critical thing that Dix sees as different is that - and I’m paraphrasing and using my own terms here - single user studies can be used to scope extent as opposed to our normal desire to support a point via a measure of magnitude of similarity across users; as a way of discovering out-layers as opposed to those which look like harmonise sample data; and as a way of disproving the rule which all the other sample data seems to support.