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Kevin N. Hooper

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Publications by Kevin N. Hooper (bibliography)

1991

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Hooper, Kevin N., Coury, Bruce G. and Terranova, Michele (1991): Team Performance in Dynamic Systems. In: Proceedings of the Human Factors Society 35th Annual Meeting 1991. pp. 949-953.

“Teamwork is a critical component of complex decision making in dynamic systems. The research presented in this paper is concerned with team performance and the design of operator interfaces for dynamic systems. Thirty-six people were trained to supervise a simulated fluid processing plant using either a Graphic (Gr) Display or an Alphanumeric (Al) display. Baseline individual performance was obtained for operator ability to optimize system performance and diagnosis system failures. After individual performance was measured, operators were paired into teams. Teams were comprised of operators who had used either the same display or different displays as individuals, thus creating three types of teams: the AlAl team; the GrGr team; and the GrAl team. Each team supervised the simulated fluid processing plant in the same way as individuals, optimizing system performance while simultaneously diagnosing component failures. Results showed that, in general, teams were better able to control the system and diagnose failures than individuals; they were able to minimize fluid deviation from a set-point, used fewer control actions to control the system, required less time to diagnose failures, and probed the system less for information concerning component status. The GrAl team produced the best overall performance of the three types of display teams.”

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Terranova, Michele, Hartley, Diane, Coury, Bruce G. and Hooper, Kevin N. (1991): Individual and Team Communication in a Dynamic Task. In: Proceedings of the Human Factors Society 35th Annual Meeting 1991. pp. 954-958.

“The purpose of this paper is to report the results of an experiment designed to study communication and its role in performance on a task shared between two human operators. Specifically, the experiment addressed the effects of system representations and communication on individual and team performance. As individuals, the operators had independent access to a computer interface that represented system information either in a graphic or an alphanumeric format. In the second phase of the research, operators were paired into teams to supervise the system. Two operators supervised the simulated fluid flow process, coordinating system control and failure detection responsibilities through their voice-mediated communication. Teams were comprised of operators using graphic, alphanumeric, or a combination of both graphic and alphanumeric information. Protocol analysis, specifically a think aloud methodology, was used in order to study the cognitive strategies used by individual operators to supervise the system, and to identify the types of communication that lead to the best performance. Performance comparisons were made between operators performing as individuals and in teams. Team communication was analyzed and related to system performance. Both the amount of communication and content of the communication was related to effective individual and team performance. Discussion focused on the application of these results to the design of advanced controls, operator interfaces, and operator communication.”

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