The functions of nonsuicidal self-injury: converging evidence for a two-factor structureReportar como inadecuado

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Child and Adolescent Psychiatry and Mental Health

, 9:44

New insights in non-suicidal self-injury: a condition for further study


Research has identified more than a dozen functions of non-suicidal self-injury NSI, but the conceptual and empirical overlap among these functions remains unclear. The present study examined the structure of NSI functions in two large samples of patients receiving acute-care treatment for NSI. Two different measures of NSI functions were utilized to maximize generalizability of findings: one sample n = 946 was administered the Inventory of Statements About Self-injury ISAS; Klonsky and Glenn in J Psychopathol Behav Assess 31:215–219, 2009, and a second sample n = 211 was administered the Functional Assessment of Self-Mutilation FASM; Lloyd et al. in Self-mutilation in a community sample of adolescents: descriptive characteristics and provisional prevalence rates. Poster session at the annual meeting of the Society for Behavioral Medicine, New Orleans, LA, 1997. Exploratory factor analyses revealed that both measures exhibited a robust two-factor structure: one factor represented Intrapersonal functions, such as affect regulation and anti-dissociation, and a second factor represented Social functions, such as interpersonal influence and peer bonding. In support of the two-factor structure’s construct validity, the factors exhibited a pattern of correlations with indicators of NSI severity that was consistent with past research and theory. Findings have important implications for theory, research, and treatment. In particular, the two-factor framework should guide clinical assessment, as well as future research on the implications of NSI functions for course, prognosis, treatment, and suicide risk.

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Autor: E. David Klonsky - Catherine R. Glenn - Denise M. Styer - Thomas M. Olino - Jason J. Washburn


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