D．how the robot finds out where to go

　　B

　　What can a wide eyed，talking robot teach us about trust? A lot，according to Northeastern psychology professor David DeSteno，and his colleagues，who are conducting a research to determine how humans decide to trust strangers.

　　The interdisciplinary(跨学科的)research project，funded by the National Science Foundation(NSF)，is being conducted together with Cynthia Breazeal，director of the MIT Media Lab's Personal Robots Group，Robert Frank，an economist，and David Pizarro，a psychologist，both from Cornell.

　　The researchers are examining whether gestures could affect our trustworthiness judgments. “People tend to mimic(模仿)each other's body language，”said De Steno，“which might help them develop intuitions(直觉)about what other people are feeling.”

　　This project tests their theories by having humans interact with the social robot，Nexi，in an attempt to judge her trustworthiness. Without knowing the participants，Nexi has been programmed to make gestures while speaking with selected participants—gestures that the team thinks could determine whether or not she's considered trustworthy.

　　During the first part of the experiment，Nexi makes small talk with them for 10 minutes，asking and answering questions about topics such as traveling，where they're from and what they like most about living in Boston.

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