Jens Koed Madsen graduated with a PhD in cognitive psychology from University College London in 2013. His academic background is inherently interdisciplinary. He completed undergraduate and postgraduate degrees in Rhetorical Theory at the University of Copenhagen and did a Master in Research in linguistic methods before doing the PhD in cognitive psychology. Common to his academic interests, he has explored persuasion, understood as changes in beliefs and changes in behaviour.
The endeavour to understand, critically analyse, describe, and formally model changes in beliefs and behaviour is a fundamental property of Jens' work at Oxford and of his research interests in general. Alongside colleagues in the Sustainable Oceans project, he researches fisher's beliefs and behaviours in dynamic and changing environments. The project explores decision-making in complex systems and investigates the effectiveness of policy in generating sustainable environments.
Jens Koed Madsen works as a post-doctoral researcher on the Sustainable Oceans project. One of the main problems of marine conservancy is to achieve structure the environment such that it is economically advantageous to harvest whilst being environmentally sustainable such that species are not depleted and wiped out.
In approaching this problem, the project acknowledges that a complex solution is required. In particular, the research aims at developing an Agent-Based Model of human agents where agents inhabit separate cognitive lives whilst interactions with other agents and with the environment suggests that behaviour cannot be located within the individual in isolation. Complex social relations and interactions mean that behaviour is super-additive such that the whole of behaviour is more than the sum of the parts. Part of the challenge is to develop psychologically realistic agents and interactions such that the model adequately describes and predicts behaviour in complex environments.
See Jens Koed Madsen's research page for more information.
Past research projects
In past research, Jens Koed Madsen has explored Bayesian models of reasoning and belief updating in politics, deliberative democratic debates, and in public health campaigns. The models integrate subjectively perceived degrees of belief in the strength of evidence with perceptions of the credibility of the messenger to generate persuasiveness predictions. The research is both theoretical and empirical. The background forms the foundation of some of the current work undertaken as part of the Oceans Sustainability project.
- Madsen, J.K., Bailey, R., Carrella, E. and Koralus, P. (2019) Analytic Versus Computational Cognitive Models: Agent-Based Modeling as a Tool in Cognitive Sciences. Current Directions in Psychological Science.
- Bailey, R.M., Carrella, E., Axtell, R., Burgess, M.G., Cabral, R.B., Drexler, M., Dorsett, C., Madsen, J.K., Merkl, A. and Saul, S. (2018) A computational approach to managing coupled human–environmental systems: the POSEIDON model of ocean fisheries. Sustainability Science.
- Madsen, J.K. (2018) Voter Reasoning Bias When Evaluating Statements from Female and Male Political Candidates. Politics and Gender.
- Madsen, J.K. and Pilditch, T.D. (2018) A method for evaluating cognitively informed micro-targeted campaign strategies: An agent-based model proof of principle. PLoS One, 13(4).
- Madsen, J.K., Bailey, R.M. and Pilditch, T.D. (2018) Large networks of rational agents form persistent echo chambers. Scientific Reports.
- Harris, A., Hahn, U., Madsen, J.K. and Hsu, A. (2015) The Appeal to Expert Opinion: Quantitative support for a Bayesian Network Approach. Cognitive Science: A Multidisciplinary Journal, 39(7): 1-38.
- Cowley, S.J. and Madsen, J.K. (2014) Time and Temporality: Linguistic Distribution in Human Life-games. Cybernetics and Human Knowing, 21: 172-185.
- Madsen, J.K. (2014) Approaching Bayesian subjectivity from a temporal perspective. Cybernetics and Human Knowing, 21.
- Madsen, J.K. and Cowley, S.J. (2014) Living subjectivity: Time-scales, language and the fluidity of self. Cybernetics and Human Knowing, 21: 11-22.
- Harris, A., Hsu, A. and Madsen, J.K. (2012) Because Hitler did it! Quantitative tests of Bayesian argumentation using Ad Hominem. Thinking and Reasoning, 18(3): 311-343.
- Madsen, J.K. (2012) Overtalelse’ defineret i et retorisk perspektiv. Rhetorica Scandinavica, 16(2): 37-57.
- Madsen, J.K. (2017) Time During Time: Multi-scalar Temporal Cognition. In, Cowley, S.J. and Valée-Tourangeau, F. (eds.) Cognition Beyond the Brain. . pp. 155-174.
- Madsen, J.K. (2013) A Cognitive Supplement to Rhetorical Theory. In, Belle, H.v., Gillaerts, P., Gorp, B.v., Mieroop, D.v.d. and Rutten, K. (eds.) Verbal and Visual Rhetoric in a Media World. Leiden University Press, Amsterdam.
- Madsen, J.K. (2015) Modelling Political Source Credibility of Election Candidates in the USA.Noelle, D.C., Dale, R., Warlaumont, A.S., Yoshimi, J., Matlock, T., Jennings, C.D. and Maglio, P.P. (eds.) Proceedings of the 37th Annual Meeting of the Cognitive Science Society Cognitive Science Society.. 1470-1476.