Artifactual and genuine relationships of lateral difference scores to overall accuracy in studies of laterality.
Artifactual and genuine relationships of lateral difference scores to overall accuracy in studies of laterality.
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侧向性研究中侧向差异分数与整体准确性的人为和真实关系。
DOI：
10.1037/0033-2909.104.1.127
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发表时间：
1988
影响因子：
22.4
通讯作者：
Chapman,JP
中科院分区：
文献类型：
--
作者：
Chapman,LJ;Chapman,JP
在测量横向优势（一侧的能力更强，即一侧的视觉半球或耳朵）时，一个持续存在的问题是右-左（R - L）差异得分与（R+ L）总体准确性之间的人为曲线关系。这种关系不是主要归因于（R+ L）总体准确性对（R - L）差异评分可能大小的限制。更确切地说，这种关系仅仅是两种准确性衡量标准的平均得分之间存在差异的结果。这一心理测量原理的普遍性是通过两个词汇测试来证明的。描述了可选择的设计，使测量不受工件影响的横向优势成为可能。一个设计解决方案是在两个研究如何操纵暴露时间影响横向优势。（PsycINFO数据库记录(c) 2016 APA，版权所有）
A persistent problem in the measurement of lateral advantage (greater ability to perform on one side—that is, one visual hemifield or ear—than on the other) has been the artifactual curvilinear relationship of the right-minus-left (R–L) difference score to (R+ L) overall accuracy. This relationship is not primarily attributable to the often-cited restriction imposed by (R+ L) overall accuracy on the possible size of the (R–L) difference score. Rather, the relationship is a consequence of the mere existence of a difference between mean scores on two measures of accuracy. The generality of this psychometric principle is demonstrated using two vocabulary tests. Alternative designs are described that make it possible to measure lateral advantage free from effects of the artifact. One design solution is demonstrated in two studies of how the manipulation of exposure time affects lateral advantage.(PsycINFO Database Record (c) 2016 APA, all rights reserved)