Clemens Stachl

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Prof. Dr.
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Stachl
First name
Clemens
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clemens.stachl@unisg.ch
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+41 71 224 7713

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    Item type:Publication,
    Developing a Personality Model for Speech-based Conversational Agents Using the Psycholexical Approach
    (ACM, 2020)
    Völkel, S. T.
    ;
    Schödel, R.
    ;
    Buschek, D.
    ;
    Stachl, Clemens  
    ;
    Winterhalter, V.
    We present the first systematic analysis of personality dimensions developed specifically to describe the personality of speech-based conversational agents. Following the psycholexical approach from psychology, we first report on a new multi-method approach to collect potentially descriptive adjectives from 1) a free description task in an online survey (228 unique descriptors), 2) an interaction task in the lab (176 unique descriptors), and 3) a text analysis of 30,000 online reviews of conversational agents (Alexa, Google Assistant, Cortana) (383 unique descriptors). We aggregate the results into a set of 349 adjectives, which are then rated by 744 people in an online survey. A factor analysis reveals that the commonly used Big Five model for human personality does not adequately describe agent personality. As an initial step to developing a personality model, we propose alternative dimensions and discuss implications for the design of agent personalities, personality-aware personalisation, and future research.
    Type:journal article
    Journal:Proceedings of the 2020 CHI Conference on Human Factors in Computing Systems
    URL:https://dl.acm.org/doi/10.1145/3313831.3376210
    DOI:10.1145/3313831.3376210
    URI:https://www.alexandria.unisg.ch/handle/20.500.14171/113167
    Scopus© Citations 67