Abstract
Next generation automotive hardware and user interfaces are increasingly pre-tested in driving simulators. What are the potential limitations of such simulations? We determined the relative and absolute validity of five different driving simulators at the Daimler AG by evaluating five functions of an in-vehicle system based on the guideline of the Alliance of Automobile Manufacturers (2006). The simulations were compared to on-road driving. We hypothesized that not only simulator characteristics, but also user characteristics, such as simulator sickness, gender, or age, influence behavioral validity. Even though relating simulator characteristics and user characteristics to driving performance across different driving simulators and driving tasks is difficult, our results are surprisingly in line with the current body of research. We demonstrate the usefulness of all simulators on a relative and partially on an absolute level with moving-base simulators being preferable to fixed-base simulators. As hypothesized, we showed that simulator sickness was significantly associated with impaired performance. In the fixed-base simulators, we found a significant interaction between age and gender, which we could not find in moving-base simulators and in the on-road study. Explanations for our findings and practical implications are discussed.
Published Version
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