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Open Access Publications from the University of California

Cognitive Strategies for Parameter Estimation in Model Exploration

  • Author(s): An, Sungeun;
  • Rugaber, Spencer;
  • Weigel, Emily;
  • Goel, Ashok
  • et al.
Abstract

Virtual laboratories that enable novice scientists to construct, evaluate and revise models of complex systems heavily involve parameter estimation tasks. We seek to understand novice strategies for parameter estimation in model exploration to design better cognitive supports for them. We conducted a study of 50 college students for a parameter estimation task in exploring an ecological model. We identified three types of behavioral patterns and their underlying cognitive strategies. Specifically, the students used systematic search, problem decomposition and reduction, and global search followed by local search as their cognitive strategies.

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