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Where did it come from, where do you go? Direction sources influence navigation decisions during spatial uncertainty

, , , , , & show all
Pages 585-607 | Received 27 Feb 2014, Accepted 12 Jun 2014, Published online: 06 Oct 2014
 

Abstract

Previous research on route directions largely considers the case when a knowledgeable route-giver conveys accurate information. In the real world, however, route information is sometimes inaccurate, and directions can lead navigators astray. We explored how participants respond to route directions containing ambiguities between landmarks and turn directions, forcing reliance on one or the other. In three experiments, participants read route directions (e.g., To get to the metro station, take a right at the pharmacy) and then selected from destinations on a map. Critically, in half of the trials the landmark (pharmacy) and turn (right) directions were conflicting, such that the participant had to make a decision under conditions of uncertainty; under these conditions, we measured whether participants preferentially relied upon landmark- versus direction-based strategies. Across the three experiments, participants were either provided no information regarding the source of directions (Experiment 1), or told that the source of directions was a GPS device (Experiment 2), or a human (Experiment 3). Without information regarding the source of directions, participants generally relied on landmarks or turn information under conditions of ambiguity; in contrast, with a GPS source participants relied primarily on turn information, and with a human source on landmark information. Results were robust across gender and individual differences in spatial preference. We discuss these results within the context of spatial decision-making theory and consider implications for the design and development of landmark-inclusive navigation systems.

Notes

1We did not make specific predictions regarding the influence of gender on strategy selection, but provide this analysis to afford comparison to extant literature (e.g., Lawton, Citation1994; Sandstrom, Kaufman, & Huettel, Citation1998).

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