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Volume 12 No 3 (2014)
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Quantum Model for Psychological Measurements: From the Projection Postulate to Interference of Mental Observables Represented As Positive Operator Valued Measures
Andrei Khrennikov and Irina Basieva
Abstract
Recently foundational issues of applicability of the formalism of quantum mechanics (QM) to cognitive psychology,
decision making, and psychophysics attracted a lot of interest. In particular, in (Khrennikov et al., 2014) the possibility
to use of the projection postulate and representation of “mental observables” by Hermitian operators was discussed
in very detail. The main conclusion of the recent discussions on the foundations of “quantum(-like) cognitive
psychology” is that one has to be careful in determination of conditions of applicability of the projection postulate as a
mathematical tool for description of measurements of observables represented by Hermitian operators
Keywords
quantum model, psychological measurements, projection postulate, decision making
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