Working memory span tasks: Group administration and omitting accuracy criterion do not change metric characteristics.
Working memory span tasks: Group administration and omitting accuracy criterion do not change metric characteristics.
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DOI：
10.1371/journal.pone.0205169
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发表时间：
2018
期刊：
影响因子：
3.7
通讯作者：
Đapo N
中科院分区：
文献类型：
--
作者：
Đokić R;Koso-Drljević M;Đapo N
本研究考察了三个自动化工作记忆广度任务的心理测量学特征：操作，阅读和对称广度任务，管理组的参与者。对于每个任务，六个评分程序的度量特征进行了评估：部分，绝对，部分非加权，绝对非加权，部分加权，绝对加权评分。所有措施的度量特征进行了比较，在两个平行的分析：有和没有一个典型的85%的准确性标准的任务的处理组件上的应用。研究表明，跨任务的团体管理不损害他们的心理测量学特征。所有任务都具有足够的内部一致性，Cronbach α等于或大于0.70;例外是所有类型的对称跨度任务绝对得分，α值接近0.60。此外，所有的任务都有令人满意的收敛结构效度，以及标准效度估计有关的流体智力的措施。省略85%的准确性标准的跨度任务的处理组件并没有损害他们的心理测量特性。因此，建议研究人员放弃这一准确性标准作为筛选结果的标准，以进行进一步的统计分析。
The study examined the psychometric characteristics of three automated working memory span tasks: operational, reading, and symmetry span task, administered in groups of participants. For each task, the metric characteristics of six scoring procedures were evaluated: partial, absolute, partial non-weighted, absolute non-weighted, partial weighted, and absolute weighted scoring. Metric characteristics of all measures were compared across two parallel analyses: with and without application of a typical 85% accuracy criterion on the processing component of the tasks. The study demonstrates that the group administration of span tasks does not compromise their psychometric characteristics. All the tasks had an adequate internal consistency with Cronbach’s αs equal to or above .70; the exception being all types of the symmetry span task absolute scores with α values close to .60. Furthermore, all tasks have satisfactory convergent construct validity as well as criterion validity estimated in relation to measures of fluid intelligence. Omitting the 85% accuracy criterion on the processing component of the span tasks did not impair their psychometric properties. Thus, it is recommended that researchers discard this accuracy criterion as a criterion for filtering the results for further statistical analyses.
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