Predictive value of traditional measures of executive function on broad abilities of the Cattell-Horn-Carroll theory of cognitive abilities
Number of pages
SourceAssessment, 26, 7, (2019), pp. 1375-1385
Article / Letter to editor
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SW OZ DCC NRP
SW OZ BSI KLP
SubjectAll institutes and research themes of the Radboud University Medical Center; Experimental Psychopathology and Treatment; Neuropsychology and rehabilitation psychology; Radboudumc 1: Alzheimer`s disease DCMN: Donders Center for Medical Neuroscience; Neuro- en revalidatiepsychologie
The neuropsychological construct of executive functions (EFs), and the psychometric Cattell-Horn-Carroll (CHC) theory of cognitive abilities are both approaches that attempt to describe cognitive functioning. The coherence between EF and CHC abilities has been mainly studied using factor-analytical techniques. Through multivariate regression analysis, the current study now assesses the integration of these latent constructs in clinical assessment. The predictive power of six widely used executive tasks on five CHC measures (crystallized and fluid intelligence, visual processing, short-term memory, and processing speed) is examined. Results indicate that executive tasks - except for the Stroop and the Tower of London - predict overall performance on the intelligence tests. Differentiation in predicting performance between the CHC abilities is limited, due to a high shared variance between these abilities. It is concluded that executive processes such as planning and inhibition have a unique variance that is not well-represented in intelligence tests. Implications for the use of EF tests and operationalization of CHC measures in clinical practice are discussed.
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