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Published on Oct 12, 2010
A large part of my work has to do with studying compound rather than individual atomic tasks. The reason is that in our day to day life, that is the way that we think of things. We generally do not decompose tasks into their constituent elements, so interaction techniques should better reflect how we think and work.
This is an early example of some early work (1982), which compares a number of different approaches to articuluating selection/positioning tasks. In this sense, this study reflects the approach to design that still underlies my work, and is the foundation of my book, Sketching User Experiences," namely, the need to explore multiple options before making a design decision. a key word in the title of this study is "informal". That is, at this stage of exploration, just like sketching, one does quick informal probes rather than expensive time-consuming formal studies.
What is frightening about this video is, on the one hand, how young I was, and on the other, how little my message has changed. Sigh.
If you are interested in the evolution of ideas, you might want to view this video in chronological order, relative to how the ideas emerged: