A Reliable and Valid Assessment of Sustained Attention for Patients with Schizophrenia: The Computerized Digit Vigilance Test

Gong Hong Lin, Chien Te Wu, Yi Jing Huang, Powen Lin, Chia Yeh Chou, Shu Chun Lee, Ching Lin Hsieh

研究成果: 雜誌貢獻文章同行評審

4 引文 斯高帕斯(Scopus)

摘要

Objective The purposes of this study were to examine the test-retest reliability, concurrent validity, and ecological validity of the Computerized Digit Vigilance Test (C-DVT) in patients with schizophrenia. Method Each participant was assessed four times, with 1-week intervals. In each assessment, the participants completed both the C-DVT and the original DVT. The participants were also assessed using the Lawton Instrumental Activities of Daily Living Scale (LIADL) and the Personal and Social Performance Scale (PSP). Results Forty-nine participants were recruited in this study. The results showed that the test-retest agreement of the C-DVT was good-to-excellent (intraclass correlation coefficient = 0.71-0.89). The random measurement errors of the C-DVT were acceptable (percentages of minimal detectable change = 12.9%-24.1%). The practice effect of the C-DVT reached a plateau after three assessments (effect size <0.20). The concurrent validity of the C-DVT was good (r =.75-.79 with DVT) when we controlled for the randomized administration order of the two tests. The ecological validity of the C-DVT was good (r = -.44 with the LIADL; r = -.45 with the PSP). Conclusions The C-DVT had acceptable test-retest reliability, sound concurrent validity, and sound ecological validity in patients with schizophrenia. These findings indicate that the C-DVT has the potential to be a reliable and valid test of sustained attention in patients with schizophrenia.

原文英語
頁(從 - 到)227-237
頁數11
期刊Archives of Clinical Neuropsychology
33
發行號2
DOIs
出版狀態已發佈 - 三月 1 2018
對外發佈

ASJC Scopus subject areas

  • 神經心理學與生理心理學
  • 臨床心理學
  • 精神病學和心理健康

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