Heuristic Search of Heuristics
ARTIFICIAL INTELLIGENCE XL, AI 2023(2023)
摘要
How can we infer the strategies that human participants adopt to carry out a task? One possibility, which we present and discuss here, is to develop a large number of strategies that participants could have adopted, given a cognitive architecture and a set of possible operations. Subsequently, the (often many) strategies that best explain a dataset of interest are highlighted. To generate and select candidate strategies, we use genetic programming, a heuristic search method inspired by evolutionary principles. Specifically, combinations of cognitive operators are evolved and their performance compared against human participants' performance on a specific task. We apply this methodology to a typical decision-making task, in which human participants were asked to select the brighter of two stimuli. We discover several understandable, psychologically-plausible strategies that offer explanations of participants' performance. The strengths, applications and challenges of this methodology are discussed.
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关键词
Decision Making,Heuristic Search,Program Synthesis,Genetic programming
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