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Designing for Adaptation to Novelty and Change: Functional Information, Emergent Feature Graphics, and Higher-Level Control

University of Toronto, Toronto, Ontario, Canada

Kim J. Vicente

University of Toronto, Toronto, Ontario, Canada

Ecological interface design (EID) is a theoretical framework that aims to support worker adaptation to change and novelty in complex systems. Previous evaluations of EID have emphasized representativeness to enhance generalizability of results to operational settings. The research presented here is complementary, emphasizing experimental control to enhance theory building. Two experiments were conducted to test the impact of functional information and emergent feature graphics on adaptation to novelty and change in a thermal-hydraulic process control micro-world. Presenting functional information in an interface using emergent features encouraged experienced participants to become perceptually coupled to the interface and thereby to exhibit higher-level control and more successful adaptation to unanticipated events. The absence of functional information or of emergent features generally led to lower-level control and less success at adaptation, the exception being a minority of participants who compensated by relying on analytical reasoning. These findings may have practical implications for shaping coordination in complex systems and fundamental implications for the development of a general unified theory of coordination for the technical, human, and social sciences. Actual or potential applications of this research include the design of human-computer interfaces that improve safety in complex sociotechnical systems.

Human Factors: The Journal of the Human Factors and Ergonomics Society, Vol. 44, No. 4, 592-610 (2002)
DOI: 10.1518/0018720024496980


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