How reliable are individual differences in eye movements in reading?
How reliable are individual differences in eye movements in reading?
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阅读时眼球运动的个体差异有多可靠？
DOI：
10.1016/j.jml.2020.104190
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发表时间：
2021
影响因子：
4.3
通讯作者：
Staub, Adrian
中科院分区：
文献类型：
--
作者：
Staub, Adrian
本研究评估了流畅的成年读者在四个变量（词频、可预测性、视觉对比度和字体难度）对眼睛注视持续时间测量、单词跳过概率和回归概率的影响中个体差异的可靠性。通过将每个实验的两部分中的简单效应（例如，Hedge，Powell和Sumner，2018），并在混合效应模型的背景下估计每一半受试者斜率之间的相关参数（Rouder和Haaf，2019）。结果的可靠性普遍较低，尽管第二种方法揭示了一些值得注意的例外。首先，视觉对比度的影响是相当可靠的，正如基于对比敏感度的假设个体差异所预期的那样。其次，频率对凝视持续时间的影响也是可靠的，但只有当原始（而不是日志）凝视持续时间被用作依赖措施。可预测性的影响表现出所有依赖措施的可靠性差。模型比较证实，通过纳入受试者斜率，模型拟合得到改善，这些效应显示出实质性的可靠性。这些结果的可行性研究的影响，在阅读的眼动个体差异，只有实验效果，表现出实质性的可靠性是很好的候选人，在个体差异研究进行探讨。
This study assessed the reliability of individual differences among fluent adult readers in the effects of four variables - word frequency, predictability, visual contrast, and font difficulty – on eye fixation duration measures, word skipping probability, and regression probability. Split-half reliability was computed in a reanalysis of data from two large, previously published experiments (Staub, 2020) by correlating simple effects in two halves of each experiment (e.g., Hedge, Powell, & Sumner, 2018) and by estimating, in the context of mixed-effects models, a correlation parameter between by-subject slopes for each half (Rouder & Haaf, 2019). The reliability of the effects was generally low, though the second of these methods revealed a few notable exceptions. First, the effects of visual contrast were quite reliable, as expected based on presumed individual differences in contrast sensitivity. Second, the frequency effect on gaze duration was also reliable, but only when raw (as opposed to log) gaze duration was used as the dependent measure. The effect of predictability demonstrated poor reliability for all dependent measures. Model comparison confirmed that model fit was improved by inclusion of by-subject slopes for those effects that showed substantial reliability. These results have implications for the feasibility of studies on individual differences in eye movements in reading, as only experimental effects that demonstrate substantial reliability are good candidates to be explored in individual difference studies.
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影响因子：
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作者：
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通讯作者：
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DOI：
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发表时间：
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发表时间：
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影响因子：
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作者：
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