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Quantum Decision Making

Total Cost €


EC-Contrib. €






Project "QDM" data sheet

The following table provides information about the project.


Organization address
city: LONDON
postcode: EC1V 0HB

contact info
title: n.a.
name: n.a.
surname: n.a.
function: n.a.
email: n.a.
telephone: n.a.
fax: n.a.

 Coordinator Country United Kingdom [UK]
 Project website
 Total cost 195˙454 €
 EC max contribution 195˙454 € (100%)
 Programme 1. H2020-EU.1.3.2. (Nurturing excellence by means of cross-border and cross-sector mobility)
 Code Call H2020-MSCA-IF-2015
 Funding Scheme MSCA-IF-EF-ST
 Starting year 2016
 Duration (year-month-day) from 2016-10-01   to  2018-10-31


Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    CITY UNIVERSITY OF LONDON UK (LONDON) coordinator 195˙454.00


 Project objective

This proposal concerns the formal and descriptive foundations of belief updating (BU) in human decision making. What are the principles that guide change in beliefs, as evidence accumulates? The dominant approach in decision making has been classical, Bayesian probability theory (CPT). Yet persistent discrepancies between CPT prescription and human behaviour challenge this dominance. Are there analogous findings in BU? If yes, if CPT cannot provide a satisfactory account of BU, what is a suitable alternative formal framework? We will carefully consider surprising empirical tests of the adequacy of CPT in belief updating, inspired by quantum probability theory (QPT). The recently emerging QPT decision models have been revolutionarizing insight about the formal principles guiding decision making. Prediction insights for BU call for more advanced techniques in QPT, such as open-system dynamics. The Experienced Researcher(ER) has an outstanding track record in quantum foundations and is seeking a career transition to cognitive psychology. The Supervisor is one of the pioneers of the application of QPT in cognitive psychology. This highly inter-disciplinary, innovative proposal will converge QPT technical expertise and deep, unaddressed questions in decision making. CITY is already one of the internationally leading centres for cognitive research based on QPT methods, with experts spanning computer science, economics, physics and cognitive psychology. This is the perfect environment to enable the ER to apply her expertise, flourish, and mature into one of the leading figures in this emerging research area. Finally, formalizing the principles of BU is a key challenge not only for cognitive psychology, but any area where there is a need for rigorous models of belief change, as a result of accumulating evidence (e.g., artificial intelligence). This proposal will be a major step towards a fully comprehensive, technically sophisticated, and empirically accurate theory.


year authors and title journal last update
List of publications.
2018 Masanari Asano, Irina Basieva, Emmanuel Pothos, Andrei Khrennikov
State Entropy and Differentiation Phenomenon
published pages: 394, ISSN: 1099-4300, DOI: 10.3390/e20060394
Entropy 20/6 2019-06-13
2017 Fabio Bagarello, Irina Basieva, Andrei Khrennikov
Quantum field inspired model of decision making: Asymptotic stabilization of belief state via interaction with surrounding mental environment
published pages: , ISSN: 0022-2496, DOI: 10.1016/
Journal of Mathematical Psychology 2019-06-13
2017 Masanari Asano, Irina Basieva, Andrei Khrennikov, Masanori Ohya, Yoshiharu Tanaka
A quantum-like model of selection behavior
published pages: 2-12, ISSN: 0022-2496, DOI: 10.1016/
Journal of Mathematical Psychology 78 2019-06-13
2017 Irina Basieva, Emmanuel Pothos, Jennifer Trueblood, Andrei Khrennikov, Jerome Busemeyer
Quantum probability updating from zero priors (by-passing Cromwell’s rule)
published pages: 58-69, ISSN: 0022-2496, DOI: 10.1016/
Journal of Mathematical Psychology 77 2019-06-13
2017 Jan Broekaert, Irina Basieva, Pawel Blasiak, Emmanuel M. Pothos
Quantum-like dynamics applied to cognition: a consideration of available options
published pages: 20160387, ISSN: 1364-503X, DOI: 10.1098/rsta.2016.0387
Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences 375/2106 2019-06-13

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