Modeling of facilitating effect of positive affect on task switching with ACT-R

Sungjin Park, Nakkyeong Choi, Sungoo Jeong, Rohae Myung

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Abstract

    Far-reaching effects of positive affect in single task and multitask environments need to be reflected in human performance modeling to develop higher fidelity models. The present study focuses on the effects in the multitasking environment. Specifically, we developed the ACT-R cognitive model to identify the cognitive mechanisms responsible for decrements of switching cost by positive affect in the Dimensional Change Card Sort (DCCS) task. The effect of positive affect on switching cost on the DCCS task relies heavily on the declarative knowledge of actionrepertoires matched to a displayed cue, allowing us to justify existing mechanisms of positive affect from previous research. Compared to the experimental data, the results show that simulated data of the ACT-R cognitive model achieved by the proposed method were highly matched with the average response time from the experimental data. The present study contributes to a general account of how positive affect impacts human cognitive process.

    Original languageEnglish
    Title of host publication2015 International Annual Meeting of the Human Factors and Ergonomics Society, HFES 2015
    PublisherHuman Factors and Ergonomics Society Inc.
    Pages701-705
    Number of pages5
    ISBN (Electronic)9780945289470
    DOIs
    Publication statusPublished - 2015
    Event59th International Annual Meeting of the Human Factors and Ergonomics Society, HFES 2015 - Los Angeles, United States
    Duration: 2015 Oct 262015 Oct 30

    Publication series

    NameProceedings of the Human Factors and Ergonomics Society
    Volume2015-January
    ISSN (Print)1071-1813

    Conference

    Conference59th International Annual Meeting of the Human Factors and Ergonomics Society, HFES 2015
    Country/TerritoryUnited States
    CityLos Angeles
    Period15/10/2615/10/30

    Bibliographical note

    Funding Information:
    This work was supported by the National Research Foundation of Korea (NRF) grant funded by the Korea government (MEST) (NRF-2012R1A2A2A03047330).

    Publisher Copyright:
    Copyright 2015 Human Factors and Ergonomics Society.

    ASJC Scopus subject areas

    • Human Factors and Ergonomics

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