Improving digit span assessment of short-term verbal memory.

Improving digit span assessment of short-term verbal memory.
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DOI:
10.1080/13803395.2010.493149
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发表时间:
2011-01
影响因子:
2.2
通讯作者:
Reed B
Reed B
中科院分区:
心理学4区
文献类型:
--
作者:
Woods DL;Kishiyamaa MM;Lund EW;Herron TJ;Edwards B;Poliva O;Hink RF;Reed B

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我们测量数字广度(DS)在两个实验中,使用计算机呈现的随机听觉数字与性能适应列表长度调整。一个新的平均跨度(MS)度量DS的开发,表现出减少方差,提高重测信度,和更高的相关性与其他神经心理测试结果相比,传统的DS措施。MS指标还增强了前向与后向跨度比较的灵敏度,使标准性能标准的发展具有亚位精度,并阐明了DS性能随年龄和教育水平的变化。计算机化的刺激传递和改进的评分指标显着提高短期言语记忆DS评估的精度。
We measured digit span (DS) in two experiments that used computerized presentation of randomized auditory digits with performance-adapted list length adjustment. A new mean span (MS) metric of DS was developed that showed reduced variance, improved test-retest reliability, and higher correlations with the results of other neuropsychological test results when compared to traditional DS measures. The MS metric also enhanced the sensitivity of forward versus backward span comparisons, enabled the development of normative performance criteria with sub-digit precision, and elucidated changes in DS performance with age- and education level. Computerized stimulus delivery and improved scoring metrics significantly enhance the precision of DS assessments of short-term verbal memory.
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