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“ It's really hard to design products by focus groups. A lot of times, people don't know what they want until you show it to them. ”

-- Steve Jobs, 1998

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Melanie LaClair

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Publications by Melanie LaClair (bibliography)

1995

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Wickens, Christopher D., LaClair, Melanie and Sarno, Kenneth (1995): Graph-Task Dependencies in Three-Dimensional Data: Influence of Three-Dimensionality and Color. In: Proceedings of the Human Factors and Ergonomics Society 39th Annual Meeting 1995. pp. 1420-1424.

“This study compared conventional 2D graphs with 3D graphs and color based graphs for presenting 3-dimensional data. These data were in the format representing the effects on Y, of 4 levels of X and 4 levels of Z. Z was represented by a parameter (line type) in the 2D display, by space (depth) in the 3D display, and Y was represented by color in the color display. Subjects answered questions about the displayed data that varied in the degree to which they required focused attention on a single data point, to integration across the entire data space. The results indicated that the 3D display supported slowest and least accurate performance for the focused attention questions, a cost that dissipated when the questions became more integrative. Performance with the color display suffered badly in both speed and accuracy with the most integrative questions. The 2D display performed consistently well in both speed and accuracy. The results are consistent with prior data and with emerging theoretical perspectives on graph-task dependencies.”

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