College of Health and Behavioral Sciences, Regent University, Virginia Beach, VA, USA.
W.G. Hefner VA Medical Center, Salisbury, NC, USA.
Appl Neuropsychol Adult. 2024 Sep-Oct;31(5):818-824. doi: 10.1080/23279095.2022.2076602. Epub 2022 May 22.
The purpose of this study was to evaluate multiple embedded performance validity indicators within the Digits Forward and Digits Backward subtests of the Neuropsychological Assessment Battery (NAB), including Reliable Digit Span (RDS), as no published papers have examined embedded digit span validity indicators within these subtests of the NAB. Retrospective archival chart review was conducted at an outpatient neuropsychology clinic. Participants were 92 adults (ages 19-68) who completed NAB Digits Forward and Digits Backward, and the Word Choice Test (WCT). Receiver operating characteristic (ROC) curves, -tests, and sensitivity and specificity analyses were conducted. Analyses showed that RDS demonstrated acceptable classification accuracy between those who passed the WCT and those who did not. The area under the curve (AUC) value for RDS was 0.702; however, AUC values for all other digit span indices were unacceptably low. The optimal cutoff for RDS was identified (<8). RDS for the NAB appears to be an adequate indicator of performance validity; however, considering the very small number of participants who were invalid on the WCT ( = 15), as well as the utilization of only one stand-alone PVT to classify validity status, these findings are preliminary and in need of replication.
本研究旨在评估神经心理评估量表（NAB）中的数字顺背和数字倒背测验中的多个嵌入式绩效有效性指标，包括可靠数字跨度（RDS），因为尚无已发表的论文研究过 NAB 这些子测验中的嵌入式数字跨度有效性指标。在一家门诊神经心理诊所进行了回顾性档案图表审查。参与者为 92 名成年人（年龄 19-68 岁），他们完成了 NAB 数字顺背和数字倒背测验以及词语选择测验（WCT）。进行了接收者操作特征（ROC）曲线、t 检验以及敏感性和特异性分析。分析表明，RDS 在通过 WCT 的人和未通过 WCT 的人之间表现出可接受的分类准确性。RDS 的曲线下面积（AUC）值为 0.702；然而，所有其他数字跨度指标的 AUC 值都低得不可接受。确定了 RDS 的最佳截断值（<8）。NAB 的 RDS 似乎是绩效有效性的充分指标；然而，考虑到在 WCT 上无效的参与者数量非常少（=15），以及仅使用一个独立的 PVT 来分类有效性状态，这些发现是初步的，需要复制。
