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We examine differences on the Self-Injury Implicit Association Test (SI-IAT) by history of non-suicidal self-injury (NSSI), in a test-retest design, to examine short-term temporal stability of SI-IAT scores. Treatment-seeking participants (N = 113; 58% female; 89% White; Mage = 30.57) completed the SI-IAT and self-report measures at two time points (MTimeframe = 3.8 days). Data suggested NSSI (51% of the sample endorsed lifetime NSSI) was related to Time 1 (T1) identity and attitude, and affected stability of scores. T1 and T2 SI-IAT identity and attitude were more strongly related for participants with NSSI history. NSSI characteristics (recency; number of methods) affected stability. The short-term test-retest reliability of the SI-IAT is strong among those with NSSI history from T1 to T2. However, the SI-IATs use with participants without a history of NSSI was not supported beyond its established ability to differentiate between groups by NSSI history. This test may provide clinically-relevant assessment among those with a history of NSSI. Participants with vs. without NSSI history respond differently on the SI-IAT Temporal stability of SI-IAT performance is strong in a short timeframe Results supported the test-retest reliability of the SI-IAT in the target group [ABSTRACT FROM AUTHOR]

Objectives Methods Results Conclusions We examine correlates and predictors for implicit associations with non‐suicidal self‐injury (NSSI) with the Self‐Injury Implicit Association Test (SI‐IAT) in a treatment‐seeking sample. We also examine group differences in the SI‐IAT among those with low/none, moderate and high/clinically significant borderline personality disorder (BPD) symptomatology in a treatment‐seeking sample.Participants (N = 111; 58% female; 89% White; Mage = 30.25) completed the SI‐IAT and self‐report measures at two time points.Higher BPD symptom scores were significantly, positively correlated with implicit identification with NSSI, and predicted NSSI identity when controlling for depression indices, history of NSSI and other covariates. With Time 1 SI‐IAT scores entered as a covariate, BPD scores no longer significantly predicted Time 2 SI‐IAT scores. Individuals with moderate and high/clinically significant symptom counts of BPD had higher/stronger implicit associations with NSSI identity than those with no/low BPD symptoms.Individuals with symptoms of BPD may implicitly identify with NSSI more than other clinical groups; examination of implicit assessments in BPD in future research is needed to further explore implicit identification with NSSI in this patient group to further understand both cross‐sectional and prospective relations. [ABSTRACT FROM AUTHOR]