Distributional effects of word frequency on eye fixation durations.

Distributional effects of word frequency on eye fixation durations.
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DOI:
10.1037/a0016896
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发表时间:
2010-10
影响因子:
2.1
通讯作者:
Rayner, Keith
Rayner, Keith
中科院分区:
心理学3区
文献类型:
--
作者:
Staub, Adrian;White, Sarah J.;Drieghe, Denis;Hollway, Elizabeth C.;Rayner, Keith

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最近的研究使用单词识别范式,如词汇决策和加快发音,研究了一系列变量如何影响响应时间分布的位置和形状,使用参数和非参数技术。在这篇文章中,我们探讨了词频操纵对正常阅读中注视持续时间的分布影响,利用最近的两个眼动实验的数据。前高斯分布提供了一个很好的拟合在两个实验中的个体受试者的分布形状。在两个实验中,频率操纵影响了分布的偏移和偏斜,并且这一结论得到了非参数vincentizing技术的支持。最后,一个新的实验表明,在词汇判断任务中,频率操纵也会影响RT分布的偏移和偏斜。这些结果反对在阅读中的眼动控制模型,该模型提出词频只影响固定的一个子集,并支持在眼动控制和词汇处理的进展之间存在紧密联系的模型。
Recent research using word recognition paradigms such as lexical decision and speeded pronunciation has investigated how a range of variables affect the location and shape of response time distributions, using both parametric and non-parametric techniques. In this article, we explore the distributional effects of a word frequency manipulation on fixation durations in normal reading, making use of data from two recent eye movement experiments. The ex-Gaussian distribution provided a good fit to the shape of individual subjects’ distributions in both experiments. The frequency manipulation affected both the shift and skew of the distributions, in both experiments, and this conclusion was supported by the non-parametric vincentizing technique. Finally, a new experiment demonstrated that frequency manipulation also affects both shift and skew in RT distributions in the lexical decision task. These results argue against models of eye movement control in reading that propose that word frequency influences only a subset of fixations, and support models in which there is a tight connection between eye movement control and the progress of lexical processing.
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