Reliability and validity for perceptual flexibility in speech.
Reliability and validity for perceptual flexibility in speech.
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DOI：
10.1016/j.bandl.2021.105070
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发表时间：
2022-03
影响因子：
2.5
通讯作者：
Myers, Emily B.
中科院分区：
文献类型：
--
作者：
Heffner, Christopher C.;Fuhrmeister, Pamela;Luthra, Sahil;Mechtenberg, Hannah;Saltzman, David;Myers, Emily B.
关键词：
言语知觉灵活性的研究依赖于各种各样的任务，这些任务在参与者之间具有很大程度的可变性。关键的利益是措施是否是一致的，在个人或跨刺激环境。这对于用于检查感知灵活性的神经基础或临床后果的个体差异设计尤其关键。在目前的一组实验中，我们评估了知觉灵活性的五种测量方法的分半信度和结构效度：三种是在母语环境中学习的（例如，理解具有外国口音的人）和在非母语环境中学习的两个（例如，学习对非母语语音进行分类）。我们发现，这些任务中的大多数表现出相当程度的分半信度，虽然结构效度有时很弱。这为这些任务的可靠性提供了很好的证据，同时突出了涉及每项措施的预期效应大小的可能上限。
The study of perceptual flexibility in speech depends on a variety of tasks that feature a large degree of variability between participants. Of critical interest is whether measures are consistent within an individual or across stimulus contexts. This is particularly key for individual difference designs that are deployed to examine the neural basis or clinical consequences of perceptual flexibility. In the present set of experiments, we assess the split-half reliability and construct validity of five measures of perceptual flexibility: three of learning in a native language context (e.g., understanding someone with a foreign accent) and two of learning in a non-native context (e.g., learning to categorize non-native speech sounds). We find that most of these tasks show an appreciable level of split-half reliability, although construct validity was sometimes weak. This provides good evidence for reliability for these tasks, while highlighting possible upper limits on expected effect sizes involving each measure.
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