ORE Open Research Exeter TITLE A problem with problem solving: motivational traits, but not cognition, predict success on novel operant foraging tasks AUTHORS Madden, JR; Van Horik, JO JOURNAL Animal Behaviour DEPOSITED IN ORE 14 March 2016 This version available at http://hdl.handle.net/10871/20711 COPYRIGHT AND REUSE Open Research Exeter makes this work available in accordance with publisher policies. A NOTE ON VERSIONS The version presented here may differ from the published version. If citing, you are advised to consult the published version for pagination, volume/issue and date of publication