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Investigating graph comprehension in students with dyslexia: an eye tracking study
Sunjung Kim1, Linda J Lombardino2, Wind Cowles3
1Communication Sciences and Disorders, University of Central Arkansas, United States.
Research in Developmental Disabilities
|April 29, 2014
Summary
College students with developmental dyslexia struggle with graph comprehension, showing slower reaction times and longer eye gaze durations for complex graphs and tasks. This indicates processing challenges with both visual and textual graph elements.
Area of Science:
- Cognitive Psychology
- Neuroscience
- Educational Psychology
Background:
- Developmental dyslexia is a learning disorder impacting reading.
- Graph comprehension is crucial for academic success and data interpretation.
- Previous research has not fully explored graph comprehension challenges in dyslexic individuals.
Purpose of the Study:
- To investigate graph comprehension differences between college students with and without developmental dyslexia.
- To examine the impact of graph types, graphic patterns, and question types on graph comprehension.
- To analyze reaction times and eye gaze patterns during graph comprehension tasks.
Main Methods:
- Comparison of reaction times and eye gaze metrics between dyslexic and non-dyslexic college students.
- Utilized various graph types (line, bar) and question types (locating, comparison).
- Measured eye gaze duration on specific graph subregions (axes, pattern, legend, question, answer).
Main Results:
- Dyslexic readers exhibited significantly slower graph comprehension than their peers.
- Comprehension difficulties increased with graph and task complexity for dyslexic students.
- Dyslexic readers spent more time viewing linguistic and non-linguistic graph elements.
Conclusions:
- Individuals with developmental dyslexia require more time to process both linguistic and non-linguistic information in graphs.
- Findings suggest fundamental processing deficits contribute to graph comprehension difficulties in dyslexia.
- Results have implications for developing targeted educational strategies and assistive technologies.
