{"pk":28671,"title":"Modeling Delay Discounting using Gaussian Process with Active Learning","subtitle":null,"abstract":"We explore a nonparametric approach to cognitive modeling.Traditionally, models in cognitive science have been paramet-ric. As such, the model relies on the assumption that the datadistribution can be defined by a finite set of parameters. How-ever, there is no guarantee that such an assumption will hold,and it may introduce undesirable biases. For these reasons, anonparametric approach to model building is appealing. Wepropose a novel framework that combines Gaussian Processeswith active learning (GPAL), and evaluate it in the context ofdelay discounting (DD), a well-studied task in decision mak-ing. We evaluate GPAL in a simulation and a behavioral exper-iment, and compare it against a traditional parametric model.The results show that GPAL is a suitable modeling frameworkthat is robust, reliable, and efficient, exhibiting high sensitivityto individual differences.","language":"eng","license":{"name":"","short_name":"","text":null,"url":""},"keywords":[{"word":"Gaussian processes; optimal experimental design;delay discounting; nonparametric modeling; Bayesian infer-ence"}],"section":"Papers with Poster Presentations","is_remote":true,"remote_url":"https://escholarship.org/uc/item/7zd5w9m1","frozenauthors":[{"first_name":"Jorge","middle_name":"","last_name":"Chang","name_suffix":"","institution":"The Ohio State University","department":""},{"first_name":"Jiseob","middle_name":"","last_name":"Kim","name_suffix":"","institution":"The Ohio State University","department":""},{"first_name":"Byoung-Tak","middle_name":"","last_name":"Zhang","name_suffix":"","institution":"The Ohio State University","department":""},{"first_name":"Mark","middle_name":"A.","last_name":"Pitt","name_suffix":"","institution":"The Ohio State University","department":""},{"first_name":"Jay","middle_name":"I.","last_name":"Myung","name_suffix":"","institution":"The Ohio State University","department":""}],"date_submitted":null,"date_accepted":null,"date_published":"2019-01-01T18:00:00Z","render_galley":null,"galleys":[{"label":"PDF","type":"pdf","path":"https://journalpub.escholarship.org/cognitivesciencesociety/article/28671/galley/18542/download/"}]}