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Ronald Ecker

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Publications by Ronald Ecker (bibliography)

2011

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Ecker, Ronald, Holzer, Philipp, Broy, Verena and Butz, Andreas (2011): EcoChallenge: a race for efficiency. In: Proceedings of 13th Conference on Human-computer interaction with mobile devices and services 2011. pp. 91-94.

“Careful use of the limited remaining fossil energy resources is important for both ecological and economical reasons. In addition to technical improvements, fuel consumption of a vehicle is influenced significantly by the driving behavior. Currently, only few in-car user interfaces are trying to promote a more fuel-efficient driving behavior. We propose EcoChallenge, a community- and location-based in-car persuasive game with the goal to motivate and support a behavioral change towards a fuel-saving driving style. We implemented and integrated EcoChallenge in an experimental vehicle and evaluated it in a field study. The results regarding acceleration, deceleration, breaking and coasting show the effectiveness of our approach. In addition, users confirmed a very positive experience with our system.”

2009

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Ecker, Ronald, Broy, Verena, Butz, Andreas and Luca, Alexander De (2009): pieTouch: a direct touch gesture interface for interacting with in-vehicle information systems. In: Proceedings of 11th Conference on Human-computer interaction with mobile devices and services 2009. p. 22.

“Touch-sensitive displays seem like a natural and promising option for dealing with the increasing complexity of current in-vehicle information systems (IVIS), but since they can hardly be used without visual attention conventional point touch systems are rarely considered in cars. To ensure road safety, the drivers' visual attention needs to be focused almost entirely to the road. In order to integrate touch screens successfully into cars, new concepts are needed to reduce visual demand. The adaptation of pie menus serving as a visualisation of gestures reduces the user's cognitive load, and we were able to achieve an almost blind interaction with the IVIS. We compared our design to a generic touch system using a dual task evaluation method (Lane Change Task [18][20]), and the results regarding total task completion time, lane deviation and subjective preferences confirm a higher usability and efficiency, as well as an added hedonic quality of pieTouch.”

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Ecker, Ronald, Broy, Verena and Joshi, Nina (2009): Toggle strategies for the POI selection via the iDrive controller. In: Schmidt, Albrecht, Dey, Anind K., Seder, Thomas and Juhlin, Oskar (eds.) Proceedings of 1st International Conference on Automotive User Interfaces and Interactive Vehicular Applications - AutomotiveUI 2009 21-22 September , 2009, Essen, Germany. pp. 71-74.

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