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A multiperspective approach to the conceptualization of executive functions
Sonia Packwood1, Helen M Hodgetts, Sebastien Tremblay
1School of Psychology, Universite Laval, Quebec, QC, Canada. sonia.packwood.1@ulaval.ca
Journal of Clinical and Experimental Neuropsychology
|January 29, 2011
Summary
The concept of executive function (EF) is complex. This study reduces 68 EF subcomponents to 18 using statistical analysis, suggesting they are task-specific behaviors, not distinct functions.
Area of Science:
- Cognitive Psychology
- Neuroscience
- Psychometrics
Background:
- The concept of executive function (EF) lacks clarity and is difficult to operationalize.
- A proliferation of proposed EF subcomponents hinders theoretical parsimony.
Purpose of the Study:
- To quantify and reduce the numerous proposed subcomponents of executive function.
- To revisit the conceptualization of EF by analyzing its subcomponents.
Main Methods:
- Conducted a literature review of 60 studies to identify 68 EF subcomponents.
- Employed latent semantic analysis to reduce semantic overlap.
- Utilized hierarchical cluster analysis to reduce psychometric overlap.
Main Results:
- Reduced 68 identified EF subcomponents to 18 through statistical analysis.
- Demonstrated significant reduction in both semantic and psychometric overlap.
- Identified task-specific behaviors rather than distinct functions.
Conclusions:
- The large number of proposed executive function subcomponents can be significantly reduced.
- Reconceptualizing EF subcomponents as task-specific behaviors offers greater parsimony.
- This approach aids in clarifying the operationalization of executive function.
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