SBM09: Sketch Based Interfaces and Modeling 2009
Permanent URI for this collection
Browse
Browsing SBM09: Sketch Based Interfaces and Modeling 2009 by Subject "Categories and Subject Descriptors (according to ACM CCS): H.5.2 [Information Interfaces and Presentation]: User Interfaces-Evaluation/methodology"
Now showing 1 - 1 of 1
Results Per Page
Sort Options
Item A Usability Evaluation of AlgoSketch: A Pen-Based Application for Mathematics(The Eurographics Association, 2009) O'Connell, Theresa; Li, Chuanjun; Miller, Timothy S.; Zeleznik, Robert C.; Jr., Joseph J. LaViola; Cindy Grimm and Joseph J. LaViola, Jr.AlgoSketch is a pen-based system for entering and editing mathematics. It supports interactive computation and early-stage mathematical algorithm design. In its paper-like environment, mathematical expressions can be en- tered anywhere on the page. Recognition and computational feedback are given in real time. We present results of a formative user evaluation of AlgoSketch, examining its applicability as a new interaction paradigm and users' overall experience with its mathematical entry, feedback, and computational support. Using a goal, question met- ric (GQM) framework, we evaluated AlgoSketch using efficiency, effectiveness, and satisfaction metrics. Logging data was supported by a post-questionnaire and anecdotal data. Results indicate acceptance of the AlgoSketch paradigm; strong potential for workplace utility, and a need for better mathematical expression recognition.