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Michelle A. Vincow

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Publications by Michelle A. Vincow (bibliography)

1994

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Merwin, David H., Vincow, Michelle A. and Wickens, Christopher D. (1994): Visual Analysis of Scientific Data: Comparison of 3D Topographic, Color, and Gray Scale Displays in a Feature Detection Task. In: Proceedings of the Human Factors and Ergonomics Society 38th Annual Meeting 1994. pp. 240-244.

“Several display techniques were compared for representing scientific data in the context of a feature detection task. The data sets were rendered on a Silicon Graphics workstation using four display formats: linearized gray scale; rainbow scale; reduced hue (blue-green-yellow-white) scale; and a 3D-topographic formal viewed in stereo. The task involved searching for features that were embedded in scientific data sets consisting of two spatial and one scalar variable. Data sets were drawn from three scientific domains: Landsat, medical MRI, and global atmospheric data bases. Two types of features were embedded within the data sets: circular (blob-like) discontinuities, and linear (cliff-like) discontinuities. Results showed a general advantage for the gray scale, and a marked disadvantage for the 3D-topographic format in both accuracy and response latency. Performance in the two color scale formats was intermediate, with the reduced hue scale supporting faster, if not more accurate performance than the full rainbow scale. Performance differences were found across data base domains, as well. Directions for future research are discussed.”

1993

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Vincow, Michelle A. and Wickens, Christopher D. (1993): Spatial Layout of Displayed Information: Three Steps Toward Developing Quantitative Models. In: Proceedings of the Human Factors and Ergonomics Society 37th Annual Meeting 1993. pp. 348-352.

“Subjects viewed a series of alphanumeric tables containing information regarding the attributes (cost, amount, etc.) of different objects (utilities such as gas and electricity). They answered questions that required them to locate specific pieces of information in the table, perform simple integration between pieces, or complex integration (division, multiplication), and information for questions was either located within a table panel (close separation) or between panels (distant separation). The table was either organized by objects within attributes, or attributes within objects. Table organization had no effect on response time or accuracy. However, accuracy suffered with increased separation, but only for the complex integration questions, a finding that implicates the interference between visual search and the working memory demands of information integration. A computational model of the mental operations required for task performance accounted for 69% of the variance in response time, and provides a useful basis for developing more elaborate models of display layout.”

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