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The <jats:styled-content style=\"fixed-case\">P<\/jats:styled-content>rospect <jats:styled-content style=\"fixed-case\">V<\/jats:styled-content>alence <jats:styled-content style=\"fixed-case\">L<\/jats:styled-content>earning (<jats:styled-content style=\"fixed-case\">PVL<\/jats:styled-content>) model was used to provide an explanation of cognitive, motivational and response style factors involved in <jats:styled-content style=\"fixed-case\">IGT<\/jats:styled-content> performance.<\/jats:p><\/jats:sec><jats:sec><jats:title>Findings<\/jats:title><jats:p>Overall, problem gamblers performed more poorly than controls on both the <jats:styled-content style=\"fixed-case\">IGT<\/jats:styled-content> (<jats:italic>P<\/jats:italic>\u2009=\u20090.04) and the loss aversion task (<jats:italic>P<\/jats:italic>\u2009=\u20090.01), and their <jats:styled-content style=\"fixed-case\">IGT<\/jats:styled-content> decisions were associated with heightened attention to gains (<jats:italic>P<\/jats:italic>\u2009=\u20090.003) and less consistency (<jats:italic>P<\/jats:italic>\u2009=\u20090.002). Strategic problem gamblers did not differ from matched controls on either decision\u2010making task, but non\u2010strategic problem gamblers performed worse on both the <jats:styled-content style=\"fixed-case\">IGT<\/jats:styled-content> (<jats:italic>P<\/jats:italic>\u2009=\u20090.006) and the loss aversion task (<jats:italic>P<\/jats:italic>\u2009=\u20090.02). Furthermore, we found differences in the <jats:styled-content style=\"fixed-case\">PVL<\/jats:styled-content> model parameters underlying strategic and non\u2010strategic problem gamblers' choices on the <jats:styled-content style=\"fixed-case\">IGT<\/jats:styled-content>.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>Problem gamblers demonstrated poor decision\u2010making under conditions of risk and ambiguity. Strategic (e.g. sports betting, poker) and non\u2010strategic (e.g. electronic gaming machines) problem gamblers differed in decision\u2010making and the underlying psychological processes associated with their decisions.<\/jats:p><\/jats:sec>","DOI":"10.1111\/add.12494","type":"journal-article","created":{"date-parts":[[2014,1,23]],"date-time":"2014-01-23T04:33:18Z","timestamp":1390451598000},"page":"1128-1137","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":63,"title":["Strategic and non\u2010strategic problem gamblers differ on decision\u2010making under risk and ambiguity"],"prefix":"10.1111","volume":"109","author":[{"given":"Felicity K.","family":"Lorains","sequence":"first","affiliation":[{"name":"School of Psychological Sciences Monash University  Clayton Vic. 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