Robustness of the maladaptive personality plaster: An investigation of stability of the PSY-5-r in adults over 20 years
Number of pages
SourceJournal of Personality Assessment, 103, 1, (2021), pp. 27-32
Article / Letter to editor
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SW OZ DCC NRP
SW OZ BSI KLP
Journal of Personality Assessment
SubjectExperimental Psychopathology and Treatment; Neuropsychology and rehabilitation psychology; Neuro- en revalidatiepsychologie
The long-term stability of maladaptive personality traits in the general population has been under-investigated. The current study examined the longitudinal 20-year mean-level stability and rank-order consistency of five maladaptive personality traits - as measured with the Personality Psychopathology-5-r scales. Correlations and regression analysis were conducted to test both types of stability comparing raw scores of scale administrations in a general population sample in both 1992 and 2012 (N = 65). Repeated measures analysis of variance demonstrated significant mean-level stability of the PSY-5-r traits over 20 years. The PSY-5-r scales demonstrated significant rank-order consistency as evidenced by correlational analyses and reliability coefficients. The scales Aggressiveness-r (r = .73), Neuroticism/Negative Emotionality-r (r = .65), Introversion/Low Positive Emotionality-r (r = .63), and Disconstraint-r (r = .56), evidenced strong rank-order stability, whereas Psychoticism-r (r = .3) showed moderate rank-order consistency. The results of the present study indicate that maladaptive personality traits as measured with the PSY-5-r scales are relatively stable over 20 years in an adult community population.
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