The Structure of Goal Systems Predicts Human Performance.

David Bourgin, Falk Lieder, Daniel Reichman, Nimrod Talmon, Tom Griffiths

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review


Psychological theories attribute people’s failure to achieve their goals to insufficient motivation. We offer a complementary explanation that emphasizes the complexity of the computational problems that arise from the structure of people’s goal systems. We hypothesize that people’s capacity to achieve their goals can be predicted from combinatorial parameters of the structure of the network connecting their goals to the means available to pursue them. To test this hypothesis, we expressed the relationship between goals and means as a network where edges between means and goals indicate which means can be used to achieve which goals. This allowed us to map two computational challenges that arise in goal achievement onto two NP-hard problems: Set Cover and Maximum Coverage. The connection between goal pursuit and NP-hard problems led us to predict that people should perform better with goal systems that are tree-like. Three behavioral experiments confirmed this prediction.
Original languageEnglish GB
Title of host publicationCogSci- The Annual meeting of the Cognitive Science Society
Number of pages6
StatePublished - 2017


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