Abstract
Eye movement data were collected and analyzed from 16 participants while they read text from a computer screen. Several text presentation formats were compared, including sentences as part of a full paragraph, sentences presented one by one, sentences presented in chunks of at most 30 characters at a predefined rate, and line-by-line presentation fitting the width of the computer screen. The goal of the experiment was to study how these different text presentation modes affect eye movement metrics (fixation duration, fixations per minute, regressions, etc.). One-way repeated measures ANOVA revealed that differences in presentation format have a significant effect on fixation duration, number of fixations per minute, and number of regressions.
Highlights
Eye movement data can provide a powerful source of information that is useful for determining viewers’ interest and intentions
Our results indicate that eye movement metrics are influenced by the text presentation formats
Participants read the text in paragraph format at words per minute whereas the reading speeds were 128, 156, and words per minute for sentence-bysentence, line-by-line and chunk presentation formats, respectively
Summary
Eye movement data can provide a powerful source of information that is useful for determining viewers’ interest and intentions. Kang and Muter (1989) discovered that comprehension with the leading text presentation technique ( known as Times Square) was as good as that with RSVP. They compared RSVP to three versions of Times Square format, with the only variation being in the size of the steps by which the display was scrolled. Mills and Weldon (1985) argued that the difficulty, discriminability, and comprehensibility of text may be reflected in the eye movement data. These measurements can be used as a method of assessing the cognitive effort involved in reading of text
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