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RACE and the influence of timing on the human decision process

Luijk, L.H. van (2009) RACE and the influence of timing on the human decision process. Master's Thesis / Essay, Artificial Intelligence.

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When a person is handed a simple question and is simultaneously asked to press a button after 4 seconds without counting, does the extra workload have influence on the reaction time or the performance on the question? Cognitive science is a field of research which deals with such questions, trying to explain cognitive processes in the human brain, such as decision processes. We studied the influence of timing on decision processes by combining a timing experiment (TE) with a lexical decision experiment (LD). In LD a string of letters is presented and the participant decides whether this is an existing word. We developed an ACT‑R model of LD, and improved this with abilities to match more complex empirical data by making use of RACE (Van Maanen & Van Rijn, 2007), so that retrievals from declarative memory are not bound by limitations from ACT‑R. From our model, combined with research which suggests that internal time perception is non‑linear (van Rijn & Taatgen, 2008), we predicted that performance on a combined LD and TE task is dependent on the time at which the LD stimulus is offered during the time interval. Our models and the results from this experiment will be discussed.

Item Type: Thesis (Master's Thesis / Essay)
Degree programme: Artificial Intelligence
Thesis type: Master's Thesis / Essay
Language: English
Date Deposited: 15 Feb 2018 07:28
Last Modified: 15 Feb 2018 07:28

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