Department of Psychology, University of Maryland, Baltimore County, 1000 Hilltop Circle, Baltimore, MD 21250, USA.
Schizophr Res. 2013 Dec;151(1-3):238-44. doi: 10.1016/j.schres.2013.09.022. Epub 2013 Oct 9.
Identification of youth at risk for or with early psychosis has become the focus of many research and clinical initiatives, as early intervention may be linked to better long-term outcomes. Efforts to facilitate identification have led to the development of several self-report instruments that intend to quickly assess "attenuated" psychosis, potentially screening people for further evaluation. The widely used Behavior Assessment System for Children, Second Edition (BASC-2) includes the atypicality scale, a scale that may be useful for risk screening as it is designed to recognize emerging symptoms of psychosis. The current study aimed to evaluate the utility of the BASC-2 for identifying youth at high clinical risk or with early psychosis within a sample of 70 help-seeking participants aged 12-22. Atypicality scores were compared to risk status (low-risk, high-risk or early psychosis) as determined by the clinician-administered Structured Interview for Psychosis-Risk Syndromes (SIPS). The relative accuracy of the atypicality scale was evaluated against three self-report screeners specifically designed to identify this population. Results indicate that the BASC-2 atypicality scale may be a useful tool for identifying youth in early stages of psychosis. Moreover, the atypicality scale is comparable if not superior to other specialized risk screening instruments in terms of predictive ability. Given the widespread use of the BASC-2 across educational and mental health settings, evidence for convergent validity between the BASC-2 atypicality scale and SIPS diagnoses has the potential to make screening available to a greater population and facilitate earlier detection and intervention.
识别有早期精神病风险或患有早期精神病的年轻人已成为许多研究和临床计划的重点，因为早期干预可能与更好的长期结果相关。为了促进识别，已经开发出几种旨在快速评估“减弱”精神病的自我报告工具，这些工具可能会对人们进行进一步评估。广泛使用的第二代儿童行为评估系统（BASC-2）包括非典型性量表，这是一种可能有助于风险筛查的量表，因为它旨在识别精神病的早期症状。本研究旨在评估 BASC-2 在识别 70 名寻求帮助的 12-22 岁参与者样本中具有高临床风险或早期精神病的年轻人的有效性。非典型性评分与风险状况（低风险、高风险或早期精神病）进行了比较，风险状况是由临床医生管理的精神病风险综合征结构化访谈（SIPS）确定的。非典型性量表的相对准确性与三个专门用于识别该人群的自我报告筛查器进行了比较。结果表明，BASC-2 非典型性量表可能是识别精神病早期阶段年轻人的有用工具。此外，就预测能力而言，非典型性量表与其他专门的风险筛查工具相比可能具有可比性，甚至更具优势。鉴于 BASC-2 在教育和心理健康环境中的广泛使用，BASC-2 非典型性量表与 SIPS 诊断之间的收敛有效性的证据有可能使更多的人群能够进行筛查，并促进更早的发现和干预。
