Computationally Modeling Interpersonal Trust

We present a computational model capable of predicting—above human accuracy—the degree of trust a person has toward their novel partner by observing the trust-related nonverbal cues expressed in their social interaction. We summarize our prior work, in which we identify nonverbal cues that signal un...

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Main Authors: Jin Joo eLee, Brad eKnox, Jolie eBaumann, Cynthia eBreazeal, David eDeSteno
Format: Article
Language:English
Published: Frontiers Media S.A. 2013-12-01
Series:Frontiers in Psychology
Subjects:
Online Access:http://journal.frontiersin.org/Journal/10.3389/fpsyg.2013.00893/full
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author Jin Joo eLee
Brad eKnox
Jolie eBaumann
Cynthia eBreazeal
David eDeSteno
author_facet Jin Joo eLee
Brad eKnox
Jolie eBaumann
Cynthia eBreazeal
David eDeSteno
author_sort Jin Joo eLee
collection DOAJ
description We present a computational model capable of predicting—above human accuracy—the degree of trust a person has toward their novel partner by observing the trust-related nonverbal cues expressed in their social interaction. We summarize our prior work, in which we identify nonverbal cues that signal untrustworthy behavior and also demonstrate the human mind’s readiness to interpret those cues to assess the trustworthiness of a social robot. We demonstrate that domain knowledge gained from our prior work using human-subjects experiments, when incorporated into the feature engineering process, permits a computational model to outperform both human predictions and a baseline model built in naivete' of this domain knowledge. We then present the construction of hidden Markov models to incorporate temporal relationships among the trust-related nonverbal cues. By interpreting the resulting learned structure, we observe that models built to emulate different levels of trust exhibit different sequences of nonverbal cues. From this observation, we derived sequence-based temporal features that further improve the accuracy of our computational model. Our multi-step research process presented in this paper combines the strength of experimental manipulation and machine learning to not only design a computational trust model but also to further our understanding of the dynamics of interpersonal trust.
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spelling doaj.art-db94a82e665d4ec09ebbc219b3b88b382022-12-22T03:42:44ZengFrontiers Media S.A.Frontiers in Psychology1664-10782013-12-01410.3389/fpsyg.2013.0089356004Computationally Modeling Interpersonal TrustJin Joo eLee0Brad eKnox1Jolie eBaumann2Cynthia eBreazeal3David eDeSteno4Massachusetts Institute of TechnologyMassachusetts Institute of TechnologyNortheastern UniversityMassachusetts Institute of TechnologyNortheastern UniversityWe present a computational model capable of predicting—above human accuracy—the degree of trust a person has toward their novel partner by observing the trust-related nonverbal cues expressed in their social interaction. We summarize our prior work, in which we identify nonverbal cues that signal untrustworthy behavior and also demonstrate the human mind’s readiness to interpret those cues to assess the trustworthiness of a social robot. We demonstrate that domain knowledge gained from our prior work using human-subjects experiments, when incorporated into the feature engineering process, permits a computational model to outperform both human predictions and a baseline model built in naivete' of this domain knowledge. We then present the construction of hidden Markov models to incorporate temporal relationships among the trust-related nonverbal cues. By interpreting the resulting learned structure, we observe that models built to emulate different levels of trust exhibit different sequences of nonverbal cues. From this observation, we derived sequence-based temporal features that further improve the accuracy of our computational model. Our multi-step research process presented in this paper combines the strength of experimental manipulation and machine learning to not only design a computational trust model but also to further our understanding of the dynamics of interpersonal trust.http://journal.frontiersin.org/Journal/10.3389/fpsyg.2013.00893/fullmachine learninghuman-robot interactionnonverbal behavior analysissocial signal processingcomputational trust modelinterpersonal trust
spellingShingle Jin Joo eLee
Brad eKnox
Jolie eBaumann
Cynthia eBreazeal
David eDeSteno
Computationally Modeling Interpersonal Trust
Frontiers in Psychology
machine learning
human-robot interaction
nonverbal behavior analysis
social signal processing
computational trust model
interpersonal trust
title Computationally Modeling Interpersonal Trust
title_full Computationally Modeling Interpersonal Trust
title_fullStr Computationally Modeling Interpersonal Trust
title_full_unstemmed Computationally Modeling Interpersonal Trust
title_short Computationally Modeling Interpersonal Trust
title_sort computationally modeling interpersonal trust
topic machine learning
human-robot interaction
nonverbal behavior analysis
social signal processing
computational trust model
interpersonal trust
url http://journal.frontiersin.org/Journal/10.3389/fpsyg.2013.00893/full
work_keys_str_mv AT jinjooelee computationallymodelinginterpersonaltrust
AT bradeknox computationallymodelinginterpersonaltrust
AT jolieebaumann computationallymodelinginterpersonaltrust
AT cynthiaebreazeal computationallymodelinginterpersonaltrust
AT davidedesteno computationallymodelinginterpersonaltrust