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Guest Speaker: Reflections on the Role of a Third Alternative on Choice, Dr Konstantinos Tsetsos
Speaker: Dr Konstantinos Tsetsos University of Bristol
Title: Reflections on the Role of a Third Alternative on Choice
Host: Dr Emmanouil Konstantinidis
Abstract: Cognitive and decision scientists appear to understand well how people make decisions with only two alternatives. However, this understanding breaks down the moment a third alternative enters the choice set. At the empirical level, the addition of a third alternative gives rise to a disparate set of context effects, which are still not fully understood at the mechanistic level. How does a third alternative impact decision computations after all? In this talk, I will attempt to clarify the role of the third alternative by first considering previously published datasets under a new light. Second, harnessing a novel approach that uses magnetoencephalography to measure covert information sampling, I will reveal a unique computation that takes place in choices between more than two alternatives.
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