Automated and Participative Decision Support in Computer-Aided Credibility Assessment
8th Annual Special Interest Group on Human-Computer Interaction 2009 Pre-ICIS Workshop, Scottsdale, December 2009
6 Pages Posted: 14 Oct 2009 Last revised: 27 Jul 2013
Date Written: October 11, 2009
Abstract
History has shown that inaccurate assessments of credibility can result in tremendous costs to businesses and society. This study uses Signal Detection Theory (SDT) to improve the accuracy of credibility assessments through combining automated and participatory decision support. Participatory decision support is also proposed to encourage acceptance of the decision aid’s recommendation. A new hybrid decision aid is designed to perform automated linguistic analysis and elicit and analyze perceptual cues (i.e., indirect cues) from an observer. The results suggest that decision aids that collect both linguistic and indirect cues perform better than decision aids that collect only one type of cue. Users of systems that collect linguistic cues experience improved credibility assessment accuracy; yet, users of systems that collect both types of cues or only indirect cues do not experience higher accuracy. However, collecting indirect cues increases the user’s acceptance of decision-aid recommendations.
Keywords: Credibility Assessment, Signal Detection Theory, Linguistic Analysis, Indirect Cues Elicitation, Decision Support Systems
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