The Occlusion Method for Measuring Visual Demand at the IT-Based Driver’s Workplace
Authors: Michael Bretschneider-Hagemes
Abstract: The standard ISO 16673 addresses the use of in-vehicle information systems (IVIS) and the measurement of the associated visual demand. The proposed measuring method investigates secondary tasks at the driver’s workplace in terms of their visual demand. The contributory factors and hence levers for prevention work are the complexity of the task, the usability of the man-machine interface (MMI) with its retroactive effects on task complexity, and device visibility (clear identification of symbols) and position. These factors are rendered measurable in their cumulative visual effect by the occlusion method so that valid and practical recommendations can be made.
Keywords: Prevention, distraction at the driver’s workplace, mobile ICT
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