About two years ago I came across a pretty exhaustive list of IxD methods, with advice on when to use them and examples of implementations. It covered prototyping, interviewing, ethnography research, information architecture, sketching, user testing, research analysis and synthesis, etc. - the whole shebang. It was nothing short of amazing, and yet I didn't bookmark it / lost the bookmark. Every few months I try to find it again. Really hoping I didn't dream the whole thing up. I faintly recall it being curated by a school, but that could be a red herring.
I'm trying to formulate a definition of interaction design to use in my
graduate thesis (note: I study economics and the objective is to
familiarize the field of marketing and business with interaction