|Appears in Collections:||Economics Journal Articles|
|Peer Review Status:||Refereed|
|Title:||Characterizing self-injurious cognitions: Development and validation of the Suicide Attempt Beliefs Scale (SABS) and the Nonsuicidal Self-Injury Beliefs Scale (NSIBS) (Forthcoming/Available Online)|
|Author(s):||Siddaway, Andy P|
Wood, Alex M
O'Carroll, Ronan E
O'Connor, Rory C
|Citation:||Siddaway AP, Wood AM, O'Carroll RE & O'Connor RC (2018) Characterizing self-injurious cognitions: Development and validation of the Suicide Attempt Beliefs Scale (SABS) and the Nonsuicidal Self-Injury Beliefs Scale (NSIBS) (Forthcoming/Available Online). Psychological Assessment. https://doi.org/10.1037/pas0000684.|
|Abstract:||Self-injurious cognitions (SICs) are cognitions about deliberately injuring oneself (self-injurious behavior; SIB). Existing measures of the content of SICs provide varying coverage, highlighting a lack of consensus regarding which cognitions characterize SIB. Additionally, a central, unresolved conceptual and measurement issue concerns whether to conceptualise suicide attempts (SA) and nonsuicidal self-injury (NSSI), two forms of SIB, as separate constructs. We developed the Suicide Attempt Beliefs Scale (SABS) and the Nonsuicidal Self-Injury Beliefs Scale (NSIBS) to clarify which SICs characterize SA and NSSI and what factor structure best explains SA and NSSI cognitions. A series of factor analyses across six samples (N = 3,313) revealed that the SABS consists of seven correlated factors and the NSIBS consists of ten correlated factors. Both instruments contain factors that describe how SIB relates to oneself and others and demonstrate moderate to excellent test retest reliability over 2-4 weeks and strong internal consistency. 95% of the correlations between SABS and NSIBS subscales were ≤ r = .5. Both instruments demonstrated small to moderate-sized correlations with a range of clinical variables, measures of well-being, and purportedly similar, existing SIB constructs. Various analyses indicate that SA and NSSI SICs are similar but distinct phenomena, supporting the use of separate terminology and definitions of SA and NSSI, and pointing to the importance of separating SA and NSSI in research and clinical practice. We hope that the development of the SABS and NSIBS may unify the field somewhat in its understanding and measurement of the basic constituent elements of SICs.|
|Rights:||©American Psychological Association, 2018. This paper is not the copy of record and may not exactly replicate the authoritative document published in the APA journal. Please do not copy or cite without author's permission. The final article is available, upon publication, at: http://dx.doi.org/10.1037/pas0000684|
|Scale development manuscript FINAL alt v1.pdf||Fulltext - Accepted Version||584.27 kB||Adobe PDF||View/Open|
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