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ERIC Number: ED286166
Record Type: RIE
Publication Date: 1987-Feb
Pages: 23
Abstractor: N/A
Reference Count: N/A
ISBN: N/A
ISSN: N/A
Eye Movement Control during Reading: I. The Location of Initial Eye Fixations on Words. Technical Report No. 406.
McConkie, G. W.; And Others
Sixty-six college students read two chapters from a contemporary novel while their eye movements were monitored. The eye movement data were analyzed to identify factors that influence the location of a reader's initial eye fixation on a word. When the data were partitioned according to the location of the prior fixation (i.e., launch site), the distribution of fixation locations on the word (i.e., landing site distribution) was highly constrained, normal in shape and not influenced by word length. The locations of initial fixations on words can be accounted for on the basis of five principles of oculomotor control: (1) a word-object has a specific functional target location; (2) a saccadic range error occurs that produces a systematic deviation of landing sites from the functional target location; (3) the saccadic range error is reduced somewhat for saccades that follow longer eye fixations; (4) there exists oculomotor variability that is a second, non-systematic source of error in landing sites; and (5) the oculomotor variability increases with distance of the launch site from the target. (References, a table of landing site distributions, and five figures are appended.) (Author/SKC)
Publication Type: Reports - Research
Education Level: N/A
Audience: N/A
Language: English
Sponsor: National Inst. of Child Health and Human Development (NIH), Bethesda, MD.
Authoring Institution: Illinois Univ., Urbana. Center for the Study of Reading.