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  • The Network Structure of Schizotypal Personality Traits

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    Accepted Manuscript (AM)
    Author(s)
    Fonseca-Pedrero, E
    Ortuño, J
    Debbané, M
    Chan, RCK
    Cicero, D
    Zhang, LC
    Brenner, C
    Barkus, E
    Linscott, RJ
    Kwapil, T
    Barrantes-Vidal, N
    Cohen, A
    Raine, A
    Compton, MT
    Tone, EB
    Suhr, J
    Inchausti, F
    Bobes, J
    Fumero, A
    Giakoumaki, S
    Tsaousis, I
    Preti, A
    Chmielewski, M
    Laloyaux, J
    Mechri, A
    Aymen Lahmar, M
    Wuthrich, V
    Larøi, F
    Badcock, JC
    Jablensky, A
    Isvoranu, AM
    Epskamp, S
    Fried, EI
    Griffith University Author(s)
    Chan, Raymond
    Year published
    2018
    Metadata
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    Abstract
    Elucidating schizotypal traits is important if we are to understand the various manifestations of psychosis spectrum liability and to reliably identify individuals at high risk for psychosis. The present study examined the network structures of (1) 9 schizotypal personality domains and (2) 74 individual schizotypal items, and (3) explored whether networks differed across gender and culture (North America vs China). The study was conducted in a sample of 27001 participants from 12 countries and 21 sites (M age = 22.12; SD = 6.28; 37.5% males). The Schizotypal Personality Questionnaire (SPQ) was used to assess 74 self-report ...
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    Elucidating schizotypal traits is important if we are to understand the various manifestations of psychosis spectrum liability and to reliably identify individuals at high risk for psychosis. The present study examined the network structures of (1) 9 schizotypal personality domains and (2) 74 individual schizotypal items, and (3) explored whether networks differed across gender and culture (North America vs China). The study was conducted in a sample of 27001 participants from 12 countries and 21 sites (M age = 22.12; SD = 6.28; 37.5% males). The Schizotypal Personality Questionnaire (SPQ) was used to assess 74 self-report items aggregated in 9 domains. We used network models to estimate conditional dependence relations among variables. In the domain-level network, schizotypal traits were strongly interconnected. Predictability (explained variance of each node) ranged from 31% (odd/magical beliefs) to 55% (constricted affect), with a mean of 43.7%. In the item-level network, variables showed relations both within and across domains, although within-domain associations were generally stronger. The average predictability of SPQ items was 27.8%. The network structures of men and women were similar (r = .74), node centrality was similar across networks (r = .90), as was connectivity (195.59 and 199.70, respectively). North American and Chinese participants networks showed lower similarity in terms of structure (r = 0.44), node centrality (r = 0.56), and connectivity (180.35 and 153.97, respectively). In sum, the present article points to the value of conceptualizing schizotypal personality as a complex system of interacting cognitive, emotional, and affective characteristics.
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    Journal Title
    Schizophrenia Bulletin
    Volume
    44
    DOI
    https://doi.org/10.1093/schbul/sby044
    Copyright Statement
    © 2018 Oxford University Press. This is a pre-copy-editing, author-produced PDF of an article accepted for publication in Schizophrenia Bulletin following peer review. The definitive publisher-authenticated version The Network Structure of Schizotypal Personality Traits, Schizophrenia Bulletin, Volume 44, Issue suppl_2, November 2018, Pages S468–S479 is available online at: 10.1093/schbul/sby044
    Subject
    Biomedical and clinical sciences
    Psychology
    Publication URI
    http://hdl.handle.net/10072/385631
    Collection
    • Journal articles

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