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Quantum Theory of International Relations: Modeling Strategic Interaction with Quantum Probability Theory
Tesař, Jakub ; Drulák, Petr (advisor) ; Tyc, Tomáš (referee) ; Karlas, Jan (referee)
Recent results from cognitive psychology suggest that human behavior can be, in some situations, better described by laws known from physical quantum theory. This work responds to this development and seeks to answer the question of how quantum models of cognition and decision-making can contribute to our understanding of the social world. We introduce the approaches to the application of quantum theory in social sciences - quantum consciousness, quantum reasoning and quantum metaphor and further develop the second, in the context of strategic interaction in game theory. We show that the quantum model corresponds to both the psychological intuition and many empirically known anomalies such as the order effect, disjunction effect, or context effect. In this work, we derive a specific model of strategic interaction between two players, and we test it in the experimental Prisoner's Dilemma game. The model is based on the rational choice theory, which is nevertheless re-defined when it is shown how the strategic choice is changed if the quantum probability (C*-algebra) is used as the underlying theory instead of classical probability (σ-algebra). The results obtained support the quantum model and showed a different representation of the game among various groups of players. The quantum model of...
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Order Effect
Truong, Phuong Thi ; Remr, Jiří (advisor) ; Jeřábek, Hynek (referee)
This thesis deals with a methodological phenomenon called order effect. This effect creates a situation where the preceding questions influence answers of the subsequent questions. During cognitive responding process, the preceding questions may evoke specific mental associations and ideas that are more easily accessible afterwards during responding of the following questions. This induced information may be used during answer selection process which may cause bias in answers. The same questions placed in different order can generate different answers. Different question order can have different cognitive burden. The aim of this thesis is cognitive burden assessment of different question orders. Data collection was conducted by cognitive interviews which helped to detect how respondents work with particular questions during questionnaire responding process, and to identify specific types of order effect. There are four types of order effect: carryover effect, backfire effect, assimilation and contrast effect. A specific question preceding a general question evokes information which is more accessible for interpretation of a general question therefore this question order is less burdensome. Also the order from negative to positive question is less burdensome than the opposite order because it evokes...
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