Menus are a primary control in current interfaces, but there has been relatively little theoretical work to model their performance. We propose a model of menu performance that go...
Existing research addresses how designers create tools to support improvisation, yet little research explores how improvisation offers tools to support design work. This paper exp...
Informal analysis of many usability tests suggests that there is regularly one participant that is substantially slower than all the others. Moreover, such outliers are more extre...
This note discusses the design of an experimental API (application program interface) for vocal user interfaces. The emphasis is on component design which supports vocal interactio...
Pointing is a fundamental enabling operation for human-computer interaction across a broad spectrum of scenarios. The paper presents a study exploring how to develop a pointing sy...