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Updated: Jun 22, 2026
09:05
Assessing Working Memory in Children: The Comprehensive Assessment Battery for Children – Working Memory (CABC-WM)
Published on: June 12, 2017
Complex working memory span tasks and higher-order cognition: a latent-variable analysis of the relationship between
Nash Unsworth1, Thomas S Redick, Richard P Heitz
1Department of Psychology, University of Georgia, Athens, GA 30602-3013, USA. nunswor@uga.edu
Memory (Hove, England)
|June 19, 2009
Summary
Complex span tasks, measuring working memory capacity, show varied relationships with cognitive abilities. This study clarifies how processing and storage components uniquely and jointly predict fluid intelligence.
Area of Science:
- Cognitive Psychology
- Neuroscience
- Human Cognition
Background:
- Complex span tasks are widely used to assess working memory capacity.
- The precise relationship between these tasks and higher-order cognitive abilities remains debated.
- Understanding this link is crucial for cognitive theories.
Purpose of the Study:
- To investigate the predictive power of complex span tasks on cognitive abilities.
- To examine the relationships among processing time, processing accuracy, and storage accuracy within complex span tasks.
- To explore the interplay between complex span task components and fluid intelligence.
Main Methods:
- Utilized latent constructs across verbal, numerical, and spatial domains.
- Analyzed processing time, processing accuracy, and storage accuracy from complex span tasks.
- Examined the relationships between these task components and fluid intelligence measures.
Main Results:
- Found a complex pattern of unique and shared variance among the constructs.
- Processing time, processing accuracy, and storage accuracy showed distinct relationships with fluid intelligence.
- The interplay between task components explained variance in cognitive abilities.
Conclusions:
- The predictive power of complex span tasks is nuanced, involving both shared and unique variance.
- Results inform theories of working memory and its role in fluid intelligence.
- Further research is needed to fully elucidate the mechanisms underlying these relationships.
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