The validity of self-report psychopathy assessment has been questioned, especially in forensic settings where clinical evaluations influence critical decision-making (e.g., institutional placement, parole eligibility). Informant-based assessment offers a potentially valuable supplement to self-report but is challenging to acquire in under-resourced forensic contexts. The current study evaluated, within an incarcerated sample (n = 322), the extent to which brief prototype-based informant ratings of psychopathic traits as described by the triarchic model (boldness, meanness, disinhibition; Patrick et al., 2009) converge with self-report trait scores and show incremental validity in predicting criterion measures. Self/informant convergence was robust for traits of boldness and disinhibition, but weaker for meanness. Informant-rated traits showed incremental predictive validity over self-report traits, both within and across assessment domains. These findings indicate that simple prototype-based informant ratings of the triarchic traits can provide a useful supplement to self-report in assessing psychopathy within forensic-clinical settings.
Evaluating the validity of brief prototype-based informant ratings of triarchic psychopathy traits in prisoners / Lowman, Kelsey L; Patrick, Christopher J; Perkins, Emily R; Bottesi, Gioia; Caruso, Maria; Giulini, Paolo; Sica, Claudio. - In: BEHAVIORAL SCIENCES & THE LAW. - ISSN 0735-3936. - STAMPA. - (2021), pp. 0-0. [10.1002/bsl.2542]
Evaluating the validity of brief prototype-based informant ratings of triarchic psychopathy traits in prisoners
Caruso, Maria;Giulini, Paolo;Sica, Claudio
2021
Abstract
The validity of self-report psychopathy assessment has been questioned, especially in forensic settings where clinical evaluations influence critical decision-making (e.g., institutional placement, parole eligibility). Informant-based assessment offers a potentially valuable supplement to self-report but is challenging to acquire in under-resourced forensic contexts. The current study evaluated, within an incarcerated sample (n = 322), the extent to which brief prototype-based informant ratings of psychopathic traits as described by the triarchic model (boldness, meanness, disinhibition; Patrick et al., 2009) converge with self-report trait scores and show incremental validity in predicting criterion measures. Self/informant convergence was robust for traits of boldness and disinhibition, but weaker for meanness. Informant-rated traits showed incremental predictive validity over self-report traits, both within and across assessment domains. These findings indicate that simple prototype-based informant ratings of the triarchic traits can provide a useful supplement to self-report in assessing psychopathy within forensic-clinical settings.File | Dimensione | Formato | |
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Behavioral Sci The Law - 2021 - Lowman - Evaluating the validity of brief prototype‐based informant ratings of triarchic.pdf
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