Human Decision Making
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  • Release Date: 2021-11-08
  • bistable probabilities
  • human decision making
Video Introduction

This video is adapted from 10.3390/e22020174

This video presents a general framework that allows irrational decision making to be theoretically investigated and simulated. Rationality in human decision making under uncertainty is normatively prescribed by the axioms of probability theory in order to maximize utility. However, substantial literature from psychology and cognitive science shows that human decisions regularly deviate from these axioms. Bistable probabilities are proposed as a principled and straight forward means for modeling (ir)rational decision making, which occurs when a decision maker is in “two minds”. Researchers show that bistable probabilities can be formalized by positive-operator-valued projections in quantum mechanics. Researchers found that (1) irrational decision making necessarily involves a wider spectrum of causal relationships than rational decision making, (2) the accessible information turns out to be greater in irrational decision making when compared to rational decision making, and (3) irrational decision making is quantum-like because it violates the Bell–Wigner polytope.

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Bruza, P.; Dehdashti, S.; Fell, L. Human Decision Making. Encyclopedia. Available online: (accessed on 19 April 2024).
Bruza P, Dehdashti S, Fell L. Human Decision Making. Encyclopedia. Available at: Accessed April 19, 2024.
Bruza, Peter, Shahram Dehdashti, Lauren Fell. "Human Decision Making" Encyclopedia, (accessed April 19, 2024).
Bruza, P., Dehdashti, S., & Fell, L. (2021, November 08). Human Decision Making. In Encyclopedia.
Bruza, Peter, et al. "Human Decision Making." Encyclopedia. Web. 08 November, 2021.