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ABSTRACT
System-wide trust strategy can occur when operators are exposed to multiple aids of different reliabilities. D. Keller and S. CitationRice (2009) showed that when a perfectly reliable aid was presented concurrently with an unreliable aid, participants tended to treat the 2 aids as a unit (system-wide trust) rather than as different units with different reliabilities (component-specific trust). Limitations to their original study prevented the authors from making strong conclusions about a pervasive system-wide trust strategy across domains. The current study revisits this theoretical issue by increasing the number of aids, manipulating the amount of information and feedback participants were given, and using a single-task paradigm rather than a dual-task paradigm. Results were conclusive. While providing information and feedback were beneficial to overall performance, dependence measures indicated that system-wide trust strategies were pervasive across almost all of the manipulations. We discuss the theoretical and applied implications of these data.
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Acknowledgments
The authors wish to thank Gayle Hunt, Eric Johnson, Audrey Rosenblatt, David Flemming, Sandra Deming, Eduardo Rubio, Crystal Sandy, Rachael Currier, Crystal Garcia, and Natasha DeVries for their help in collecting data. This research was funded by an Air Force grant (Index # 116230). Any opinions, findings, and conclusions or recommendations expressed in this article are those of the authors.