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Related Experiment Video

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Universal Screening for Prevention of Reading, Writing, and Math Disabilities in Spanish

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Published on: July 18, 2020

Letter-specific processing in children and adults matched for reading level.

E Darcy Burgund¹, Alana E Abernathy

¹Department of Psychology, MS 25, Rice University, Houston, TX 77251, USA. dburgund@rice.edu

Acta Psychologica

|June 12, 2008

Summary

Adults show greater sensitivity to letter shapes than children, regardless of reading skill. This suggests age, not reading ability, influences how well we process familiar letters versus pseudoletters.

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Area of Science:

Cognitive Psychology
Developmental Psychology
Neuroscience

Background:

Expert readers process known letters faster and more accurately than pseudoletters.
Previous research suggests this letter specificity develops with reading ability, not age.
An alternative view posits adults rely more on visual cues than children, implying greater adult letter specificity.

Purpose of the Study:

To investigate whether adults or children exhibit greater letter specificity.
To determine if age or reading ability is the primary factor in letter specificity.
To compare letter versus pseudoletter processing in children and adults at a similar, less-than-expert reading level (fourth grade).

Main Methods:

Compared performance (response time and error rates) on letter vs. pseudoletter tasks.
Participants included children and adults reading at a fourth-grade level.
Statistical analysis to assess the magnitude of letter specificity and its relation to reading ability.

Main Results:

Adults demonstrated significantly greater letter specificity than children.
This difference was observed in both response times and error rates.
The degree of letter specificity did not correlate with reading ability within the studied group.

Conclusions:

Adults are more attuned to the visual characteristics of letters than children.
Age, rather than reading skill level, appears to be a key factor in developing letter specificity.
Findings challenge the notion that reading ability alone drives enhanced letter processing.