Wisconsin Card Sorting Test performance in above average and superior school children: relationship to intelligence
Summary
Highly intelligent children demonstrate superior executive function on the Wisconsin Card Sorting Test (WCST). Their performance indicates advanced cognitive abilities, outperforming average peers across all age groups tested.
Area of Science:
- Neuropsychology
- Developmental Psychology
- Cognitive Science
Background:
- Executive functions are crucial cognitive processes that develop throughout childhood and adolescence.
- The Wisconsin Card Sorting Test (WCST) is a widely used measure of executive function, assessing cognitive flexibility and abstract reasoning.
- Intelligence, particularly high intelligence, may influence the development and efficiency of executive functions.
Purpose of the Study:
- To investigate the relationship between intelligence levels and performance on the Wisconsin Card Sorting Test (WCST) in children.
- To examine how age interacts with intelligence to affect executive function as measured by the WCST.
- To compare the WCST performance of children with above-average and average intelligence.
Main Methods:
- A sample of 26 children with high IQs (above 130) and 24 children with average IQs (110-129) were recruited.
- Participants completed the Wechsler Intelligence Scale for Children-III (WISC-III) for intelligence assessment.
- The Wisconsin Card Sorting Test (WCST) was administered to all participants, and scores were compared to published norms.
Main Results:
- Children with above-average intelligence consistently outperformed children with average intelligence on all WCST measures, including errors and trials.
- Intelligence was found to be a significant factor moderating age-related trends in executive function.
- Preliminary analysis indicated no significant relationship between gender and WCST performance.
Conclusions:
- Higher intelligence is associated with enhanced executive function capabilities in children, as evidenced by superior WCST performance.
- Intelligence plays a critical role in shaping the developmental trajectory of executive functions.
- These findings highlight the complex interplay between cognitive ability and executive function development in childhood.
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