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Related Experiment Videos

Tilt and reading speed.

Alison Y Firth1, Jason Machin, Claire L Watkins

  • 1Academic Unit of Ophthalmology and Orthoptics, University of Sheffield, Glossop Road, Sheffield, United Kingdom. a.firth@sheffield.ac.uk

Journal of AAPOS : the Official Publication of the American Association for Pediatric Ophthalmology and Strabismus
|February 20, 2007
PubMed
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Head tilting does not affect reading speed. However, tilting text or the body significantly slows reading rate, impacting word recognition.

Area of Science:

  • Ophthalmology
  • Human Factors Engineering
  • Cognitive Psychology

Background:

  • Reading speed is a critical measure in various fields, including education and ergonomics.
  • Understanding factors that influence reading efficiency is essential for optimizing visual tasks.
  • Previous research has explored various visual and environmental factors affecting reading, but the specific impact of body and text orientation requires further investigation.

Purpose of the Study:

  • To quantify the impact of head tilt on reading rate.
  • To compare the effects of tilting the body versus tilting the text on reading speed.

Main Methods:

  • The Wilkins Rate of Reading Test was employed to assess reading speed in healthy individuals.
  • Experiment 1 involved measuring reading rates with head tilts of 15 and 30 degrees.

Related Experiment Videos

  • Experiment 2 measured reading rates with body tilts of 45 and 90 degrees, and text tilts of 45 and 90 degrees.

    • Main Results:

    • Head tilting by 15 or 30 degrees showed no significant effect on reading speed.
    • Text tilting to 45 and 90 degrees resulted in significant reductions in reading speed (19 and 36 words per minute, respectively).
    • Reading horizontally (90-degree body tilt) with upright text significantly slowed reading speed by 34 words per minute; a 45-degree body tilt showed a near-significant reduction.

    Conclusions:

    • Text orientation relative to the body, achieved through tilting the text or body, demonstrably affects reading speed.
    • The observed alterations in reading rate are likely attributable to the effects of tilt on word recognition processes.