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When A is greater than B: Interactions between magnitude and serial order
1Department of Psychology and Criminal Justice, Middle Georgia State University, USA; Jiann-Ping Hsu College of Public Health, Georgia Southern University, USA; Department of Psychology, University of South Florida, USA.
Consciousness and Cognition
|December 31, 2021
Summary
Cognitive ability involves processing order, which may be represented as magnitude. This study found evidence for this, showing an interaction between letter order and font size in a Stroop-like task.
Area of Science:
- Cognitive Psychology
- Neuroscience
- Human Cognition
Background:
- Understanding how humans process ordinal information is key to cognitive science.
- Previous theories suggest ordinal position is coded as magnitude, but lack direct evidence.
Purpose of the Study:
- To investigate the nature of ordinal representations in cognitive processing.
- To test the hypothesis that ordinal position is coded as magnitude.
Main Methods:
- A Stroop-like letter order judgment task was employed.
- Experiments manipulated letter ordering and font size to detect interactions.
Main Results:
- A significant interaction was found between letter size and ordering.
- Facilitation occurred for alphabetically ordered sequences with decreasing font size.
Conclusions:
- Findings suggest an overlap between mechanisms for order and magnitude processing.
- Ordinal position may be represented on a magnitude-based code, with earlier ranks as 'more'.
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