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Conference Paper

Under pressure: The influence of time limits on human exploration

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Wu, C., Schulz, E., Gerbaulet, K., Pleskac, T., & Speekenbrink, M. (2019). Under pressure: The influence of time limits on human exploration. In A. Goel, C. Seifert, & C. Freksa (Eds.), 41st Annual Meeting of the Cognitive Science Society (CogSci 2019): Creativity + Cognition + Computation (pp. 1219-1225). Red Hook, NY, USA: Curran.

Cite as: https://hdl.handle.net/21.11116/0000-0005-D60A-F
How does time pressure influence attitudes towards uncer-tainty? When time is limited, do people engage in differentexploration strategies? We study human exploration in a rangeof four-armed bandit tasks with different reward distributionsand manipulate the available time for each decision (limitedvs. unlimited). Through multiple behavioral and model-basedanalyses, we show that reactions towards uncertainty are influ-enced by time pressure. Specifically, participants seek out un-certain options when time is unlimited, but avoid uncertaintyunder time pressure. Moreover, larger relative differences inuncertainty between options slowed down reaction times anddampened the drift rate of a linear ballistic accumulator model.These results shed new light on the differential effect of uncer-tainty and time pressure on human exploration.