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Distributional effects of word frequency on eye fixation durations

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Abstract
Much 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 the present 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 (Drieghe, Rayner, & Pollatsek, 2008; White, 2008). The ex-Gaussian distribution provided a good fit to the shape of individual subjects’ distributions in both experiments. The frequency manipulation was found to affect 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 White’s (2008) 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 are taken to support models in which there is a tight connection between eye movement control and the progress of lexical processing.
Keywords
Z-READER MODEL, RESPONSE-TIME DISTRIBUTIONS, MOVEMENT CONTROL, LEXICAL DECISION, MAXIMUM-LIKELIHOOD, SACCADE GENERATION, RECOGNITION, PERCEPTION, TASK, eye movements in reading, word frequency, ex-Gaussian distribution

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Chicago
Staub, Adrian, Sarah J White, Denis Drieghe, Elizabeth C Hollway, and Keith Rayner. 2010. “Distributional Effects of Word Frequency on Eye Fixation Durations.” Journal of Experimental Psychology-human Perception and Performance 36 (5): 1280–1293.
APA
Staub, A., White, S. J., Drieghe, D., Hollway, E. C., & Rayner, K. (2010). Distributional effects of word frequency on eye fixation durations. JOURNAL OF EXPERIMENTAL PSYCHOLOGY-HUMAN PERCEPTION AND PERFORMANCE, 36(5), 1280–1293.
Vancouver
1.
Staub A, White SJ, Drieghe D, Hollway EC, Rayner K. Distributional effects of word frequency on eye fixation durations. JOURNAL OF EXPERIMENTAL PSYCHOLOGY-HUMAN PERCEPTION AND PERFORMANCE. 2010;36(5):1280–93.
MLA
Staub, Adrian et al. “Distributional Effects of Word Frequency on Eye Fixation Durations.” JOURNAL OF EXPERIMENTAL PSYCHOLOGY-HUMAN PERCEPTION AND PERFORMANCE 36.5 (2010): 1280–1293. Print.
@article{1058358,
  abstract     = {Much 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 the present 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 (Drieghe, Rayner, & Pollatsek, 2008; White, 2008).  The ex-Gaussian distribution provided a good fit to the shape of individual subjects’ distributions in both experiments.  The frequency manipulation was found to affect 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 White’s (2008) 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 are taken to support models in which there is a tight connection between eye movement control and the progress of lexical processing.},
  author       = {Staub, Adrian and White, Sarah J and Drieghe, Denis and Hollway, Elizabeth C and Rayner, Keith},
  issn         = {0096-1523},
  journal      = {JOURNAL OF EXPERIMENTAL PSYCHOLOGY-HUMAN PERCEPTION AND PERFORMANCE},
  keywords     = {Z-READER MODEL,RESPONSE-TIME DISTRIBUTIONS,MOVEMENT CONTROL,LEXICAL DECISION,MAXIMUM-LIKELIHOOD,SACCADE GENERATION,RECOGNITION,PERCEPTION,TASK,eye movements in reading,word frequency,ex-Gaussian distribution},
  language     = {eng},
  number       = {5},
  pages        = {1280--1293},
  title        = {Distributional effects of word frequency on eye fixation durations},
  url          = {http://dx.doi.org/10.1037/a0016896},
  volume       = {36},
  year         = {2010},
}

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