Inferring hidden causal structure |
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Authors: | Kushnir Tamar Gopnik Alison Lucas Chris Schulz Laura |
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Institution: | Department of Human Development, Cornell University; Department of Psychology, University of California at Berkeley; Department of Brain and Cognitive Sciences, Massachusetts Institute of Technology |
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Abstract: | We used a new method to assess how people can infer unobserved causal structure from patterns of observed events. Participants were taught to draw causal graphs, and then shown a pattern of associations and interventions on a novel causal system. Given minimal training and no feedback, participants in Experiment 1 used causal graph notation to spontaneously draw structures containing one observed cause, one unobserved common cause, and two unobserved independent causes, depending on the pattern of associations and interventions they saw. We replicated these findings with less-informative training (Experiments 2 and 3) and a new apparatus (Experiment 3) to show that the pattern of data leads to hidden causal inferences across a range of prior constraints on causal knowledge. |
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Keywords: | Psychology Causal reasoning Human experimentation Causal inference Causal Bayes nets Graphical representation |
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